At a special sale, all pens are sold at one price and all pencils at anothes price. If 3 pens and 2 pencils are sold for 47¢, while 2 pens and 3 pencils arc sold for 38¢, what is the cost of a set of one pen and one pencil, in cents? dsion E Olympiads

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A: Given that Number of tickets that do not win any prize = 775 Number of tickets valued $20 is 5…

Q: At roulette, there are 38 slots. A "column" consists of 12 of these slots. A column pays 2 to 1. So,…

A: Given, At roulette, there are 38 slots. A column consists of 12 of these slots. A column pays 2 to…

Q: 3.) A chef cooks 2 of a pound of pasta. She plans to serve - of a pound to each customer. How 12…

A:

Q: Jeriel buys a bag of lollipops for a party. If he gives each friend a certain number of lollipops…

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Q: A raffle is being held to benefit the local animal shelter.  They sell 513 tickets that do not win…

A: Expected value:The expected value of a random variable is the sum of the possible values that the…

Q: A raffle is being held to benefit the local animal shelter.  They sell 756 tickets that do not win…

A: Expected value: The expected value of a random variable is the sum of the possible values that the…

Q: A raffle is being held to benefit the local animal shelter.  They sell 644 tickets that do not win…

A: They are selling total (644+6+1) = 651 tickets  We make a probability distribution for winning…

Q: Lou and Jacob each sold 200 pieces of jewelry.  If 20% of Lou's sales were rings, and Jacob sold 35…

A: Given lou and jacob each sold 200 pieces of jewelry. 20%of lou and 35 ring of jacob.

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A: We have to find the total area that we can enclose for fencing.

Q: Assume that the pond contains 90 fish: 76 orange, 13 blue, and 1 green. A contestant pays $0.55 p…

A: Given, the pond contains 90 fish: 76 orange, 13 blue, and 1 green. A contestant pays $0.55 to…

Q: Crayola has an eight pack of color crayons. The picture you are drawing only requires three colors…

A: From the provided information, The total pack of color crayons Crayola have = 8 The picture requires…

Q: Assume that the pond contains 120 fish: 94 aqua, 25 canary, and 1 eggplant. A contestant pays $0.55…

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Q: Find the measure of the complement and the supplement of 22 dwgrees

A: Let us consider an angle be x degree Then y is said to be the complement of x if,  x+y=90° Then y is…

Q: A raffle is being held to benefit the local animal shelter.  They sell 518 tickets that do not win…

A: It is required to determine the amount the shelter would be expected to earn on selling each raffle…

Q: A baker made 30 pastries in 2 2 hours. How many pastries did the baker make in one hour? 12 pastries…

A: Given A baker made 30 pastries in 2 .1/2 hours.

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Q: An agent in another firm sold one of your listings for $280,000. Gross commission is 7%. MLS fee is…

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Q: If 10 pens and 12 pads cost $42, and 5 of the same pens and 10 of the same pads cost $29, find the…

A: Given: 10 pens and 12 pads cost $42, and 5 of the same pens and 10 of the same pads cost $29.

Q: A middle school has a student to teacher ratio of 15 to 1. This middle school feeds into a high…

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.