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Mark wants to maintain an average of 70 on his math tests to remain eligible for sports. So far, he earned scores of 68, 75, 74, 82, and 88. What is the lowest score he can earn…

Mark wants to maintain an average of 70 on his math tests to remain eligible for sports. So far, he earned scores of 68, 75, 74, 82, and 88. What is the lowest score he can earn…
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3 votes
Mark wants to maintain an average of 70 on his math tests to remain eligible for sports. So far, he earned scores of 68, 75, 74, 82, and 88. What is the lowest score he can earn on the next test to have an average of at least a 70?

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User Gabac
by
7.5k points

1 Answer

5 votes

Answer:

Explanation:

(68+75+74+82+88+x)/6=70

(387+x)/6=70

x= 33

answered
User Sasho
by
8.3k points
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