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amount of money William spent on the fifth pair of pants
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08 Sep 2022, 06:36
08 Sep 2022, 06:36
Expert Reply
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Question Stats:
66% (01:02) correct
33% (01:53) wrong based on 12 sessions
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William bought 4 pairs of pants for $80. The next day, he purchased another pair of pants. He spent an average of $22.50 for the five pairs of pants.
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
amount of money William spent on the fifth pair of pants |
average cost of each of the first four pairs of pants |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: amount of money William spent on the fifth pair of pants
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08 Sep 2022, 08:28
08 Sep 2022, 08:28
1
average cost of first four pants = 80/4 = $ 20
average cost of five pants = (total cost of four pants + cost of fifth pant)/5 = 22.5
this gives cost of the fifth pant = $ 32.5
so, quantity A is greater.
average cost of five pants = (total cost of four pants + cost of fifth pant)/5 = 22.5
this gives cost of the fifth pant = $ 32.5
so, quantity A is greater.
Re: amount of money William spent on the fifth pair of pants
[#permalink]
08 Sep 2022, 09:34
08 Sep 2022, 09:34
1
Total costs of 4 pants is 80, therefore the cost of 1 pant is 20
Therefore average cost of 5 pants = 80+x/5 = 22.50
x=22.50*5 - 80
x=32.50
Therefore the answer is A.
Therefore average cost of 5 pants = 80+x/5 = 22.50
x=22.50*5 - 80
x=32.50
Therefore the answer is A.
