SOLUTION: . Katya scored 62, 74, 65, and 87 on her first four maths exams respectively. What score must she obtain on the next exam to have an overall average of 70 or above?
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Question 1112232: . Katya scored 62, 74, 65, and 87 on her first four maths exams respectively. What score must she obtain on the next exam to have an overall average of 70 or above?
My solution: (288+x)/5 >= 70
288+x >= 350
x >= 62 Answer by ankor@dixie-net.com(22740) (Show Source):