evelynnn7170 evelynnn7170

15-03-2020
Mathematics

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The student has received scores of 85, 88, 87, and 90 on their algebra test. What is the minimum score they must earn on the fifth test to have an overall average score of 87?

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magicthefatty magicthefatty

15-03-2020

answer: 85

(85 + 88 + 87 + 90 + x)/5 = 87

85 + 88 + 87 + 90 + x = 5 * 87 = 435

350 + x = 435

x = 435 - 350

x = 85

- cherry :))

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