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Data Analysis (Pri-5)

/ Average Springdale Primary School / Homework (2018)
Ans: . A group of students calculated their average score for a quiz. If one of them scored another 18 points, their average score would be 85. However, if one of them score 9 points less, their average score would be 82. How many pupils were there in the group? Ans:
Vi

September 10, 2018
 
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Answer 1 Comments 2
Sep 10, 2018 10:52 AM
GUIDE: find the difference in marks & average score, then solve!
Sep 10, 2018 10:53 AM
Thanks a lot

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Difference in marks = 18 + 9 = 27Difference in average score = 85 - 82 = 3---So total pupils = 27 ÷ 3 = 9  (ans)
0

September 10, 2018
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