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A student’s average test score in algebra is 88 after eight

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A student’s average test score in algebra is 88 after eight [#permalink] New post 13 Oct 2020, 06:20
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100% (01:07) correct 0% (00:00) wrong based on 8 sessions
A student’s average test score in algebra is 88 after eight tests have been taken. When the teacher drops the student’s two lowest test scores, the student’s average score increases to 92. What is the average score of the two tests that were dropped?

A. 72

B. 74

C. 75

D. 76

E. 78


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Re: A student’s average test score in algebra is 88 after eight [#permalink] New post 13 Oct 2020, 10:29
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Sum of the eight test = 88*8=704
Sum of the six test = 92*6 = 552

The difference which means the total score of the 2 lowest score is 704-552=152

Average equal 152/2=76 D

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Re: A student’s average test score in algebra is 88 after eight   [#permalink] 13 Oct 2020, 10:29
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A student’s average test score in algebra is 88 after eight

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