SOLUTION: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?

SOLUTION: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?

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Question 904544: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
(91+x)/2 >= 94
x >= 188 - 91
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