SOLUTION: University entrance exams require an average mark of 80%. David has so far an average of 75 from his past 3 exams. What total must he get in for his next 2 exams in order to secure
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Question 1089406: University entrance exams require an average mark of 80%. David has so far an average of 75 from his past 3 exams. What total must he get in for his next 2 exams in order to secure an university entrance? Answer by josgarithmetic(39630) (Show Source):
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