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A student’s average test score in algebra is 88 after eight
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13 Oct 2020, 06:20
13 Oct 2020, 06:20
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Question Stats:
90% (01:17) correct
9% (01:31) wrong based on 52 sessions
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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
Kudos for the right answer and explanation
A. 72
B. 74
C. 75
D. 76
E. 78
Kudos for the right answer and explanation
Re: A student’s average test score in algebra is 88 after eight
[#permalink]
13 Oct 2020, 10:29
13 Oct 2020, 10:29
2
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
Posted from my mobile device
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
Posted from my mobile device
gmatclubot
Re: A student’s average test score in algebra is 88 after eight [#permalink]
13 Oct 2020, 10:29
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