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In a certain store, each record costs X dollars and each tape costs Y
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20 Aug 2021, 09:52
20 Aug 2021, 09:52
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In a certain store, each record costs X dollars and each tape costs Y dollars. the total cost of 3 records and 2 tapes is $39.
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 |
The cost of 1 record |
The cost of 1 tape |
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.
Retired Moderator
Joined: 19 Nov 2020
Posts: 326
Given Kudos: 64
GRE 1: Q160 V152
Re: In a certain store, each record costs X dollars and each tape costs Y
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20 Aug 2021, 13:14
20 Aug 2021, 13:14
1
let x be price of record and y be price of tape
3x+2y=39, but 39 is factored as 13*3 )))
hence, x=13 and y=0 or x=1, then y=18
answer is D
3x+2y=39, but 39 is factored as 13*3 )))
hence, x=13 and y=0 or x=1, then y=18
answer is D
Carcass wrote:
In a certain store, each record costs X dollars and each tape costs Y dollars. the total cost of 3 records and 2 tapes is $39.
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 |
The cost of 1 record |
The cost of 1 tape |
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.
gmatclubot
Re: In a certain store, each record costs X dollars and each tape costs Y [#permalink]
20 Aug 2021, 13:14
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