A student scored 74 out of 100 on a test. if the maximum score on the next test is 100, what score does the student need to maintain at 78

Question

Mathematics

Kimora Stout

1 October, 05:43

A student scored 74 out of 100 on a test. if the maximum score on the next test is 100, what score does the student need to maintain at 78

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Answers (1)

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Michael Lloyd · Answer 1

Average = (sum of elements) / (number of elements)

78 = (74+s) / 2 multiply both sides by 2

156=74+s subtract 74 from both sides

s=82

So the student must earn an 82 on the next test to have an average of 78.