EBK MATHEMATICS FOR MACHINE TECHNOLOGY
EBK MATHEMATICS FOR MACHINE TECHNOLOGY
7th Edition
ISBN: 9780100548169
Author: SMITH
Publisher: YUZU
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Chapter 23, Problem 22AR
To determine

(a)

The rate under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

75%

Explanation of Solution

Given information:

Base is given as 24 and percentage is 18. Need to find rate(percent).

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement base is given as 24. i.e. B=24.

Also, percentage P=18.

Putting these value in standard proportion,

PB=R1001824=R100Applying cross multiplication,24R=18×100R=18×10024R=75

Hence, we can say that 75% of 24 is 18.

To determine

(b)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

15

Explanation of Solution

Given information:

Rate is given as 30% and base is 50.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 30% i.e. R=30

Also, base B=50.

Putting these value in standard proportion,

PB=R100P50=30100Applying cross multiplication,100P=30×50P=30×50100P=15

Hence, 30% of 50 is equal to 15.

To determine

(c)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

15.60

Explanation of Solution

Given information:

Rate is given as 123.8% and base is 12.6.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 123.8% i.e. R=123.8

Also, base B=12.6.

Putting these value in standard proportion,

PB=R100P12.6=123.8100Applying cross multiplication,100P=12.6×123.8P=12.6×123.8100P=15.60

Hence, 123.8% of 12.6 is equal to 15.60.

To determine

(d)

The base under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

89.02

Explanation of Solution

Given information:

Rate is given as 82% and percentage is 73. Need to find base.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is given as 82%. i.e. R=82.

Also, percentage P=73.

Putting these value in standard proportion,

PB=R10073B=82100                           {Put P=73 and R=82}Applying cross multiplication,82B=73×100B=73×10082B=89.02

Hence, we can say that 73 is 82% of 89.02.

To determine

(e)

The rate under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

19.05%

Explanation of Solution

Given information:

Base is given as 1012 and percentage is 2. Need to find rate(percent).

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement base is given as 1012. i.e. B=1012

=10.5.

Also, percentage P=2.

Putting these value in standard proportion,

PB=R100210.5=R100Applying cross multiplication,10.5R=2×100R=2×10010.5R=19.05

Hence, we can say that 19.05% of 1012 is 2.

To determine

(f)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

45.37

Explanation of Solution

Given information:

Rate is given as 48% and base is 94.82.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 48% i.e. R=48

Also, base B=94.82.

Putting these value in standard proportion,

PB=R100P94.82=48100Applying cross multiplication,100P=48×94.82P=48×94.82100P=45.37

Hence, 48% of 94.82 is equal to 45.37.

To determine

(g)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

154

Explanation of Solution

Given information:

Rate is given as 72.4% and base is 212.7.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 72.4% i.e. R=72.4

Also, base B=212.7.

Putting these value in standard proportion,

PB=R100P212.7=72.4100Applying cross multiplication,100P=72.4×212.7P=72.4×212.7100P=154

Hence, 72.4% of 212.7 is equal to 154.

To determine

(h)

The rate under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

112.28%

Explanation of Solution

Given information:

Base is given as 228 and percentage is 256. Need to find rate(percent).

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement base is given as 228. i.e. B=228.

Also, percentage P=256.

Putting these value in standard proportion,

PB=R100256228=R100Applying cross multiplication,228R=256×100R=256×100228R=112.28

Hence, we can say that 112.28% of 228 is 256.

To determine

(i)

The base under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

58.05

Explanation of Solution

Given information:

Rate is given as 88% and percentage is 51.08. Need to find base.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is given as 88%. i.e. R=88.

Also, percentage P=51.08.

Putting these value in standard proportion,

PB=R10051.08B=88100                           {Put P=51.08 and R=88}Applying cross multiplication,88B=51.08×100B=51.08×10088B=58.05

Hence, we can say that 51.08 is 88% of 58.05.

To determine

(j)

The rate under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

132.25%

Explanation of Solution

Given information:

Base is given as 27.6 and percentage is 36.5. Need to find rate(percent).

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement base is given as 27.6. i.e. B=27.6.

Also, percentage P=36.5.

Putting these value in standard proportion,

PB=R10036.527.6=R100Applying cross multiplication,27.6R=36.5×100R=36.5×10027.6R=132.25

Hence, we can say that 132.25% of 27.6 is 36.5.

To determine

(k)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

154

Explanation of Solution

Given information:

Rate is given as 214% and base is 150.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 214% i.e. R=214=2.25

Also, base B=150.

Putting these value in standard proportion,

PB=R100P150=2.25100Applying cross multiplication,100P=2.25×150P=2.25×150100P=3.38

Hence, 214% of 150 is equal to 3.38.

To determine

(l)

The percentage under given condition.

Expert Solution
Check Mark

Answer to Problem 22AR

21.72

Explanation of Solution

Given information:

Rate is given as 18% and base is 120.66.

Calculation:

As we know the proportion to find percentage is given as

PB=R100   where, P=percentage, B= base and R=rate

Now, as per the problem statement rate is 18% i.e. R=18

Also, base B=120.66.

Putting these value in standard proportion,

PB=R100P120.66=18100Applying cross multiplication,100P=18×120.66P=18×120.66100P=21.72

Hence, 18% of 120.66 is equal to 21.72.

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Chapter 23 Solutions

EBK MATHEMATICS FOR MACHINE TECHNOLOGY

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