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Sam scores a total of 720 on his two math tests. If thrice the scores

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Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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New post Updated on: 29 Jan 2019, 03:11
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Sam scores a total of 720 on his two math tests. If thrice the scores of his first test was 160 more than the score of his second test, what was the score on his first test?

A) 220
B) 270
C) 360
D) 410
E) 500

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Originally posted by Gmatprep550 on 29 Jan 2019, 03:04.
Last edited by Bunuel on 29 Jan 2019, 03:11, edited 1 time in total.
Renamed the topic.
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Re: Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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New post 29 Jan 2019, 04:17
2
First + Second = 720
3First = Second + 160
Substitute the second equation to the first: First + 3First -160 = 720 --> 4F=880 --> F=220
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Re: Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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New post 08 Feb 2019, 01:10
Hello,

Could someone clarify what "thrice" means? Thank you so much!

Gmatprep550 wrote:
Sam scores a total of 720 on his two math tests. If thrice the scores of his first test was 160 more than the score of his second test, what was the score on his first test?

A) 220
B) 270
C) 360
D) 410
E) 500
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Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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New post 08 Feb 2019, 01:36
KHow wrote:
Hello,

Could someone clarify what "thrice" means? Thank you so much!

Gmatprep550 wrote:
Sam scores a total of 720 on his two math tests. If thrice the scores of his first test was 160 more than the score of his second test, what was the score on his first test?

A) 220
B) 270
C) 360
D) 410
E) 500


KHow

thrice means : 3 times of something.

Solution:

Total =720

let the score of the first be x.

Then the score of the 2nd test = 720 -x.

As per the question:

3 times of the score of the first test = score of the second test + 160.


3x = 720 - x + 160.

4x = 880

x = 220.

The best answer is A.
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Sam scores a total of 720 on his two math tests. If thrice the scores   [#permalink] 08 Feb 2019, 01:36
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Sam scores a total of 720 on his two math tests. If thrice the scores

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