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A car dealer sold x used cars and y new cars during May. If the number
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01 Apr 2021, 02:10
01 Apr 2021, 02:10
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Question Stats:
90% (00:41) correct
9% (00:51) wrong based on 11 sessions
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A car dealer sold x used cars and y new cars during May. If the number of used cars sold was 10 greater than the number of new cars sold. Which of the following expresses this relationship ?
(A) x > 10y
(B) x > y + 10
(C) x > y – 10
(D) x = y + 10
(E) x = y – 10
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
(A) x > 10y
(B) x > y + 10
(C) x > y – 10
(D) x = y + 10
(E) x = y – 10
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Retired Moderator
Joined: 10 Apr 2015
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Re: A car dealer sold x used cars and y new cars during May. If the number
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01 Apr 2021, 05:29
01 Apr 2021, 05:29
Carcass wrote:
A car dealer sold x used cars and y new cars during May. If the number of used cars sold was 10 greater than the number of new cars sold. Which of the following expresses this relationship ?
(A) x > 10y
(B) x > y + 10
(C) x > y – 10
(D) x = y + 10
(E) x = y – 10
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
(A) x > 10y
(B) x > y + 10
(C) x > y – 10
(D) x = y + 10
(E) x = y – 10
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
The most common INCORRECT answer is E.
Here's one way to avoid this:
Given: x used cars and y new cars
Number of used cars (x) sold was 10 greater than the number of new cars (y) sold
So, x is 10 greater than y
To show their relative sizes let's write x LARGER than y to get: x and y
Our goal is to create an EQUATION. So, how do we make these two values EQUAL?
Well, we need to make the smaller value (y) bigger. 10 bigger to be exact.
So, we get x = y + 10
Answer: D
Cheers,
Brent
gmatclubot
Re: A car dealer sold x used cars and y new cars during May. If the number [#permalink]
01 Apr 2021, 05:29
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