Holt Mcdougal Larson Algebra 2: Student Edition 2012
Holt Mcdougal Larson Algebra 2: Student Edition 2012
1st Edition
ISBN: 9780547647159
Author: HOLT MCDOUGAL
Publisher: HOLT MCDOUGAL
Expert Solution & Answer
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Chapter 5.7, Problem 5MRPS
Solution

(a)

To Find: A rational equation to find the value of x , where x is the number of ounces of zinc needed.

The required rational equation is x=45100×y.

Given information:

Brass is an alloy composed of 55% copper and 45% zinc by weight. There are 25 ounces of copper.

Explanation:

Let y represent the weight of brass and x represent the number of ounces of zinc needed.

Therefore, the number of ounces of zinc needed will be given by: x=45100×y.

(b)

To calculate: The number of ounces of zinc needed to make brass.

The number of ounces of zinc needed to make brass is 20.45.

Given information:

Brass is an alloy composed of 55% copper and 45% zinc by weight. There are 25 ounces of copper.

Explanation:

Let y represent the weight of brass and x represent the number of ounces of zinc needed.

The copper available is 25 ounces.

  ⇒55100×y=25

Solve it for y.

  y=25×10055

The zinc required will be 45% of y.

So,

  x=45100×y=45100×25×10055≈20.45

Therefore, the number of ounces of zinc needed to make brass is 20.45.

(c)

To Find: The ounces of zinc that must be added to make brass, where c is the ounces of copper available.

The zinc needed to make brass is 0.82c ounces.

Given information:

Brass is an alloy composed of 55% copper and 45% zinc by weight.

Explanation:

Let y represent the weight of brass and x represent the number of ounces of zinc needed.

The copper available is c ounces.

  ⇒55100×y=c

Solve it for y.

  y=c0.55

The zinc required will be 45% of y.

So,

  x=45100×y=45100×c0.55≈0.82c

Therefore, the zinc needed to make brass is 0.82c ounces.

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Chapter 5.7, Problem 4MRPS
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Chapter 5.7, Problem 6MRPS

Chapter 5 Solutions

Holt Mcdougal Larson Algebra 2: Student Edition 2012

Ch. 5.1 - Prob. 1GPCh. 5.1 - Prob. 2GPCh. 5.1 - Prob. 3GPCh. 5.1 - Prob. 4GPCh. 5.1 - Prob. 5GPCh. 5.1 - Prob. 6GPCh. 5.1 - Prob. 7GPCh. 5.1 - Prob. 8GPCh. 5.1 - Prob. 9GPCh. 5.1 - Prob. 10GP
Ch. 5.1 - Prob. 11GPCh. 5.1 - Prob. 12GPCh. 5.1 - Prob. 13GPCh. 5.1 - Prob. 14GPCh. 5.1 - Prob. 1ECh. 5.1 - Prob. 2ECh. 5.1 - Prob. 3ECh. 5.1 - Prob. 4ECh. 5.1 - Prob. 5ECh. 5.1 - Prob. 6ECh. 5.1 - Prob. 7ECh. 5.1 - Prob. 8ECh. 5.1 - Prob. 9ECh. 5.1 - Prob. 10ECh. 5.1 - Prob. 11ECh. 5.1 - Prob. 12ECh. 5.1 - Prob. 13ECh. 5.1 - Prob. 14ECh. 5.1 - Prob. 15ECh. 5.1 - Prob. 16ECh. 5.1 - Prob. 17ECh. 5.1 - Prob. 18ECh. 5.1 - Prob. 19ECh. 5.1 - Prob. 20ECh. 5.1 - Prob. 21ECh. 5.1 - Prob. 22ECh. 5.1 - Prob. 23ECh. 5.1 - Prob. 24ECh. 5.1 - Prob. 25ECh. 5.1 - Prob. 26ECh. 5.1 - Prob. 27ECh. 5.1 - Prob. 28ECh. 5.1 - Prob. 29ECh. 5.1 - Prob. 30ECh. 5.1 - Prob. 31ECh. 5.1 - Prob. 32ECh. 5.1 - Prob. 33ECh. 5.1 - Prob. 34ECh. 5.1 - Prob. 35ECh. 5.1 - Prob. 36ECh. 5.1 - Prob. 37PSCh. 5.1 - Prob. 38PSCh. 5.1 - Prob. 39PSCh. 5.1 - Prob. 40PSCh. 5.1 - Prob. 41PSCh. 5.1 - Prob. 42PSCh. 5.2 - Prob. 1GPCh. 5.2 - Prob. 2GPCh. 5.2 - Prob. 3GPCh. 5.2 - Prob. 4GPCh. 5.2 - Prob. 5GPCh. 5.2 - Prob. 6GPCh. 5.2 - Prob. 7GPCh. 5.2 - Prob. 1ECh. 5.2 - Prob. 2ECh. 5.2 - Prob. 3ECh. 5.2 - Prob. 4ECh. 5.2 - Prob. 5ECh. 5.2 - Prob. 6ECh. 5.2 - Prob. 7ECh. 5.2 - Prob. 8ECh. 5.2 - Prob. 9ECh. 5.2 - Prob. 10ECh. 5.2 - Prob. 11ECh. 5.2 - Prob. 12ECh. 5.2 - Prob. 13ECh. 5.2 - Prob. 14ECh. 5.2 - Prob. 15ECh. 5.2 - Prob. 16ECh. 5.2 - Prob. 17ECh. 5.2 - Prob. 18ECh. 5.2 - Prob. 19ECh. 5.2 - Prob. 20ECh. 5.2 - Prob. 21ECh. 5.2 - Prob. 22ECh. 5.2 - Prob. 23ECh. 5.2 - Prob. 24ECh. 5.2 - Prob. 25ECh. 5.2 - Prob. 26ECh. 5.2 - Prob. 27ECh. 5.2 - Prob. 28ECh. 5.2 - Prob. 29ECh. 5.2 - Prob. 30ECh. 5.2 - Prob. 31ECh. 5.2 - Prob. 32ECh. 5.2 - Prob. 33ECh. 5.2 - Prob. 34ECh. 5.2 - Prob. 35ECh. 5.2 - Prob. 36ECh. 5.2 - Prob. 37PSCh. 5.2 - Prob. 38PSCh. 5.2 - Prob. 39PSCh. 5.2 - Prob. 40PSCh. 5.2 - Prob. 41PSCh. 5.2 - Prob. 42PSCh. 5.2 - Prob. 1PCh. 5.2 - Prob. 2PCh. 5.2 - Prob. 3PCh. 5.2 - Prob. 4PCh. 5.2 - Prob. 5PCh. 5.2 - Prob. 6PCh. 5.2 - Prob. 7PCh. 5.2 - Prob. 8PCh. 5.2 - Prob. 9PCh. 5.2 - Prob. 1.1PCh. 5.2 - Prob. 1.2PCh. 5.2 - Prob. 1.3PCh. 5.2 - Prob. 1.4PCh. 5.2 - Prob. 1.5PCh. 5.2 - Prob. 1.6PCh. 5.2 - Prob. 1.7PCh. 5.2 - Prob. 1.8PCh. 5.2 - Prob. 1.9PCh. 5.2 - Prob. 1.10PCh. 5.3 - Prob. 1GPCh. 5.3 - Prob. 2GPCh. 5.3 - Prob. 3GPCh. 5.3 - Prob. 4GPCh. 5.3 - Prob. 5GPCh. 5.3 - Prob. 1ECh. 5.3 - Prob. 2ECh. 5.3 - Prob. 3ECh. 5.3 - Prob. 4ECh. 5.3 - Prob. 5ECh. 5.3 - Prob. 6ECh. 5.3 - Prob. 7ECh. 5.3 - Prob. 8ECh. 5.3 - Prob. 9ECh. 5.3 - Prob. 10ECh. 5.3 - Prob. 11ECh. 5.3 - Prob. 12ECh. 5.3 - Prob. 13ECh. 5.3 - Prob. 14ECh. 5.3 - Prob. 15ECh. 5.3 - Prob. 16ECh. 5.3 - Prob. 17ECh. 5.3 - Prob. 18ECh. 5.3 - Prob. 19ECh. 5.3 - Prob. 20ECh. 5.3 - Prob. 21ECh. 5.3 - Prob. 22ECh. 5.3 - Prob. 23ECh. 5.3 - Prob. 24ECh. 5.3 - Prob. 25ECh. 5.3 - Prob. 26ECh. 5.3 - Prob. 27ECh. 5.3 - Prob. 28ECh. 5.3 - Prob. 29ECh. 5.3 - Prob. 30ECh. 5.3 - Prob. 31PSCh. 5.3 - Prob. 32PSCh. 5.3 - Prob. 33PSCh. 5.3 - Prob. 34PSCh. 5.3 - Prob. 35PSCh. 5.3 - Prob. 36PSCh. 5.3 - Prob. 1QCh. 5.3 - Prob. 2QCh. 5.3 - Prob. 3QCh. 5.3 - Prob. 4QCh. 5.3 - Prob. 5QCh. 5.3 - Prob. 6QCh. 5.3 - Prob. 7QCh. 5.3 - Prob. 8QCh. 5.3 - Prob. 9QCh. 5.3 - Prob. 10QCh. 5.3 - Prob. 11QCh. 5.3 - Prob. 1MRPSCh. 5.3 - Prob. 2MRPSCh. 5.3 - Prob. 3MRPSCh. 5.3 - Prob. 4MRPSCh. 5.3 - Prob. 5MRPSCh. 5.3 - Prob. 6MRPSCh. 5.3 - Prob. 7MRPSCh. 5.3 - Prob. 8MRPSCh. 5.4 - Prob. 1GPCh. 5.4 - Prob. 2GPCh. 5.4 - Prob. 3GPCh. 5.4 - Prob. 4GPCh. 5.4 - Prob. 5GPCh. 5.4 - Prob. 6GPCh. 5.4 - Prob. 7GPCh. 5.4 - Prob. 8GPCh. 5.4 - Prob. 9GPCh. 5.4 - Prob. 10GPCh. 5.4 - Prob. 11GPCh. 5.4 - Prob. 12GPCh. 5.4 - Prob. 1ECh. 5.4 - Prob. 2ECh. 5.4 - Prob. 3ECh. 5.4 - Prob. 4ECh. 5.4 - Prob. 5ECh. 5.4 - Prob. 6ECh. 5.4 - Prob. 7ECh. 5.4 - Prob. 8ECh. 5.4 - Prob. 9ECh. 5.4 - Prob. 10ECh. 5.4 - Prob. 11ECh. 5.4 - Prob. 12ECh. 5.4 - Prob. 13ECh. 5.4 - Prob. 14ECh. 5.4 - Prob. 15ECh. 5.4 - Prob. 16ECh. 5.4 - Prob. 17ECh. 5.4 - Prob. 18ECh. 5.4 - Prob. 19ECh. 5.4 - Prob. 20ECh. 5.4 - Prob. 21ECh. 5.4 - Prob. 22ECh. 5.4 - Prob. 23ECh. 5.4 - Prob. 24ECh. 5.4 - Prob. 25ECh. 5.4 - Prob. 26ECh. 5.4 - Prob. 27ECh. 5.4 - Prob. 28ECh. 5.4 - Prob. 29ECh. 5.4 - Prob. 30ECh. 5.4 - Prob. 31ECh. 5.4 - Prob. 32ECh. 5.4 - Prob. 33ECh. 5.4 - Prob. 34ECh. 5.4 - Prob. 35ECh. 5.4 - Prob. 36ECh. 5.4 - Prob. 37ECh. 5.4 - Prob. 38ECh. 5.4 - Prob. 39ECh. 5.4 - Prob. 40ECh. 5.4 - Prob. 41ECh. 5.4 - Prob. 42ECh. 5.4 - Prob. 43ECh. 5.4 - Prob. 44ECh. 5.4 - Prob. 45ECh. 5.4 - Prob. 46ECh. 5.4 - Prob. 47ECh. 5.4 - Prob. 48PSCh. 5.4 - Prob. 49PSCh. 5.4 - Prob. 50PSCh. 5.4 - Prob. 51PSCh. 5.4 - Prob. 52PSCh. 5.4 - Prob. 53PSCh. 5.4 - Prob. 1PCh. 5.4 - Prob. 2PCh. 5.4 - Prob. 3PCh. 5.4 - Prob. 4PCh. 5.4 - Prob. 5PCh. 5.4 - Prob. 6PCh. 5.5 - Prob. 1GPCh. 5.5 - Prob. 2GPCh. 5.5 - Prob. 3GPCh. 5.5 - Prob. 4GPCh. 5.5 - Prob. 5GPCh. 5.5 - Prob. 6GPCh. 5.5 - Prob. 7GPCh. 5.5 - Prob. 8GPCh. 5.5 - Prob. 9GPCh. 5.5 - Prob. 10GPCh. 5.5 - Prob. 11GPCh. 5.5 - Prob. 12GPCh. 5.5 - Prob. 13GPCh. 5.5 - Prob. 1ECh. 5.5 - Prob. 2ECh. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - Prob. 5ECh. 5.5 - Prob. 6ECh. 5.5 - Prob. 7ECh. 5.5 - Prob. 8ECh. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Prob. 11ECh. 5.5 - Prob. 12ECh. 5.5 - Prob. 13ECh. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Prob. 19ECh. 5.5 - Prob. 20ECh. 5.5 - Prob. 21ECh. 5.5 - Prob. 22ECh. 5.5 - Prob. 23ECh. 5.5 - Prob. 24ECh. 5.5 - Prob. 25ECh. 5.5 - Prob. 26ECh. 5.5 - Prob. 27ECh. 5.5 - Prob. 28ECh. 5.5 - Prob. 29ECh. 5.5 - Prob. 30ECh. 5.5 - Prob. 31ECh. 5.5 - Prob. 32ECh. 5.5 - Prob. 33ECh. 5.5 - Prob. 34ECh. 5.5 - Prob. 35ECh. 5.5 - Prob. 36ECh. 5.5 - Prob. 37ECh. 5.5 - Prob. 38ECh. 5.5 - Prob. 39ECh. 5.5 - Prob. 40ECh. 5.5 - Prob. 41PSCh. 5.5 - Prob. 42PSCh. 5.5 - Prob. 43PSCh. 5.5 - Prob. 44PSCh. 5.5 - Prob. 45PSCh. 5.5 - Prob. 1PCh. 5.5 - Prob. 2PCh. 5.5 - Prob. 3PCh. 5.5 - Prob. 4PCh. 5.5 - Prob. 5PCh. 5.5 - Prob. 6PCh. 5.5 - Prob. 7PCh. 5.6 - Prob. 1GPCh. 5.6 - Prob. 2GPCh. 5.6 - Prob. 3GPCh. 5.6 - Prob. 4GPCh. 5.6 - Prob. 5GPCh. 5.6 - Prob. 6GPCh. 5.6 - Prob. 7GPCh. 5.6 - Prob. 8GPCh. 5.6 - Prob. 9GPCh. 5.6 - Prob. 10GPCh. 5.6 - Prob. 11GPCh. 5.6 - Prob. 1ECh. 5.6 - Prob. 2ECh. 5.6 - Prob. 3ECh. 5.6 - Prob. 4ECh. 5.6 - Prob. 5ECh. 5.6 - Prob. 6ECh. 5.6 - Prob. 7ECh. 5.6 - Prob. 8ECh. 5.6 - Prob. 9ECh. 5.6 - Prob. 10ECh. 5.6 - Prob. 11ECh. 5.6 - Prob. 12ECh. 5.6 - Prob. 13ECh. 5.6 - Prob. 14ECh. 5.6 - Prob. 15ECh. 5.6 - Prob. 16ECh. 5.6 - Prob. 17ECh. 5.6 - Prob. 18ECh. 5.6 - Prob. 19ECh. 5.6 - Prob. 20ECh. 5.6 - Prob. 21ECh. 5.6 - Prob. 22ECh. 5.6 - Prob. 23ECh. 5.6 - Prob. 24ECh. 5.6 - Prob. 25ECh. 5.6 - Prob. 26ECh. 5.6 - Prob. 27ECh. 5.6 - Prob. 28ECh. 5.6 - Prob. 29ECh. 5.6 - Prob. 30ECh. 5.6 - Prob. 31ECh. 5.6 - Prob. 32ECh. 5.6 - Prob. 33PSCh. 5.6 - Prob. 34PSCh. 5.6 - Prob. 35PSCh. 5.6 - Prob. 36PSCh. 5.6 - Prob. 37PSCh. 5.6 - Prob. 38PSCh. 5.6 - Prob. 1QCh. 5.6 - Prob. 2QCh. 5.6 - Prob. 3QCh. 5.6 - Prob. 4QCh. 5.6 - Prob. 5QCh. 5.6 - Prob. 6QCh. 5.6 - Prob. 7QCh. 5.6 - Prob. 8QCh. 5.6 - Prob. 9QCh. 5.6 - Prob. 10QCh. 5.6 - Prob. 11QCh. 5.6 - Prob. 12QCh. 5.6 - Prob. 13QCh. 5.6 - Prob. 14QCh. 5.6 - Prob. 1PCh. 5.6 - Prob. 2PCh. 5.6 - Prob. 3PCh. 5.6 - Prob. 4PCh. 5.6 - Prob. 5PCh. 5.6 - Prob. 6PCh. 5.6 - Prob. 7PCh. 5.6 - Prob. 1.1PCh. 5.6 - Prob. 1.2PCh. 5.6 - Prob. 1.3PCh. 5.6 - Prob. 1.4PCh. 5.6 - Prob. 1.5PCh. 5.6 - Prob. 1.6PCh. 5.6 - Prob. 1.7PCh. 5.6 - Prob. 1.8PCh. 5.6 - Prob. 1.9PCh. 5.6 - Prob. 1.10PCh. 5.6 - Prob. 1.11PCh. 5.6 - Prob. 1.12PCh. 5.6 - Prob. 1.13PCh. 5.6 - Prob. 1.14PCh. 5.6 - Prob. 1.15PCh. 5.6 - Prob. 1.16PCh. 5.6 - Prob. 1.17PCh. 5.6 - Prob. 1.18PCh. 5.6 - Prob. 1.19PCh. 5.6 - Prob. 1.20PCh. 5.6 - Prob. 1.21PCh. 5.6 - Prob. 1.22PCh. 5.7 - Prob. 1GPCh. 5.7 - Prob. 2GPCh. 5.7 - Prob. 3GPCh. 5.7 - Prob. 4GPCh. 5.7 - Prob. 5GPCh. 5.7 - Prob. 1ECh. 5.7 - Prob. 2ECh. 5.7 - Prob. 3ECh. 5.7 - Prob. 4ECh. 5.7 - Prob. 5ECh. 5.7 - Prob. 6ECh. 5.7 - Prob. 7ECh. 5.7 - Prob. 8ECh. 5.7 - Prob. 9ECh. 5.7 - Prob. 10ECh. 5.7 - Prob. 11ECh. 5.7 - Prob. 12ECh. 5.7 - Prob. 13ECh. 5.7 - Prob. 14ECh. 5.7 - Prob. 15ECh. 5.7 - Prob. 16ECh. 5.7 - Prob. 17ECh. 5.7 - Prob. 18ECh. 5.7 - Prob. 19ECh. 5.7 - Prob. 20ECh. 5.7 - Prob. 21ECh. 5.7 - Prob. 22ECh. 5.7 - Prob. 23ECh. 5.7 - Prob. 24ECh. 5.7 - Prob. 25ECh. 5.7 - Prob. 26PSCh. 5.7 - Prob. 27PSCh. 5.7 - Prob. 28PSCh. 5.7 - Prob. 29PSCh. 5.7 - Prob. 30PSCh. 5.7 - Prob. 31PSCh. 5.7 - Prob. 32PSCh. 5.7 - Prob. 1QCh. 5.7 - Prob. 2QCh. 5.7 - Prob. 3QCh. 5.7 - Prob. 4QCh. 5.7 - Prob. 5QCh. 5.7 - Prob. 1MRPSCh. 5.7 - Prob. 2MRPSCh. 5.7 - Prob. 3MRPSCh. 5.7 - Prob. 4MRPSCh. 5.7 - Prob. 5MRPSCh. 5.7 - Prob. 6MRPSCh. 5.7 - Prob. 7MRPSCh. 5 - Prob. 1VECh. 5 - Prob. 2VECh. 5 - Prob. 3VECh. 5 - Prob. 4VECh. 5 - Prob. 5VECh. 5 - Prob. 6REAECh. 5 - Prob. 7REAECh. 5 - Prob. 8REAECh. 5 - Prob. 9REAECh. 5 - Prob. 10REAECh. 5 - Prob. 11REAECh. 5 - Prob. 12REAECh. 5 - Prob. 13REAECh. 5 - Prob. 14REAECh. 5 - Prob. 15REAECh. 5 - Prob. 16REAECh. 5 - Prob. 17REAECh. 5 - Prob. 18REAECh. 5 - Prob. 19REAECh. 5 - Prob. 20REAECh. 5 - Prob. 21REAECh. 5 - Prob. 22REAECh. 5 - Prob. 23REAECh. 5 - Prob. 24REAECh. 5 - Prob. 25REAECh. 5 - Prob. 26REAECh. 5 - Prob. 27REAECh. 5 - Prob. 28REAECh. 5 - Prob. 29REAECh. 5 - Prob. 30REAECh. 5 - Prob. 31REAECh. 5 - Prob. 32REAECh. 5 - Prob. 33REAECh. 5 - Prob. 1TCh. 5 - Prob. 2TCh. 5 - Prob. 3TCh. 5 - Prob. 4TCh. 5 - Prob. 5TCh. 5 - Prob. 6TCh. 5 - Prob. 7TCh. 5 - Prob. 8TCh. 5 - Prob. 9TCh. 5 - Prob. 10TCh. 5 - Prob. 11TCh. 5 - Prob. 12TCh. 5 - Prob. 13TCh. 5 - Prob. 14TCh. 5 - Prob. 15TCh. 5 - Prob. 16TCh. 5 - Prob. 17TCh. 5 - Prob. 18TCh. 5 - Prob. 19TCh. 5 - Prob. 20TCh. 5 - Prob. 21TCh. 5 - Prob. 22TCh. 5 - Prob. 23TCh. 5 - Prob. 24TCh. 5 - Prob. 25TCh. 5 - Prob. 26TCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 1TPCh. 5 - Prob. 2TPCh. 5 - Prob. 3TPCh. 5 - Prob. 4TPCh. 5 - Prob. 5TPCh. 5 - Prob. 6TPCh. 5 - Prob. 7TPCh. 5 - Prob. 8TPCh. 5 - Prob. 9TPCh. 5 - Prob. 10TPCh. 5 - Prob. 11TPCh. 5 - Prob. 12TPCh. 5 - Prob. 13TPCh. 5 - Prob. 14TPCh. 5 - Prob. 15TPCh. 5 - Prob. 16TPCh. 5 - Prob. 17TP
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