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

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Manager
Joined: 21 Jul 2018
Posts: 186
Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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Updated on: 29 Jan 2019, 03:11
1
00:00

Difficulty:

25% (medium)

Question Stats:

81% (01:33) correct 19% (02:12) wrong based on 37 sessions

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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.
Intern
Joined: 25 Jan 2019
Posts: 1
Re: Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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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
Manager
Joined: 15 Nov 2017
Posts: 53
Re: Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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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
VP
Joined: 31 Oct 2013
Posts: 1473
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Sam scores a total of 720 on his two math tests. If thrice the scores  [#permalink]

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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.

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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