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 1111084: 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
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+%28+62+%2B+74+%2B+65+%2B+87+%2B+x+%29+%2F+5+%3E=+70+
+%28+288+%2B+x+%29+%2F+5+%3E=+70+
+288+%2B+x+%3E=+350+
+x+%3E=+62+
She must score at least 62 on the next exam