SOLUTION: On 3 tests, the average grade is 91. What must you average on the last 3 tests to have at least an average of 94?

SOLUTION: On 3 tests, the average grade is 91. What must you average on the last 3 tests to have at least an average of 94?

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Question 897369: On 3 tests, the average grade is 91. What must you average on the last 3 tests to have at least an average of 94?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

.
.
.

So then, the total average is,

Substituting,

You need to average a 97.

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