SOLUTION: John has taken 4 math tests and has an average of 85. What must he get on the 5th test to have an average of 88?
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-> SOLUTION: John has taken 4 math tests and has an average of 85. What must he get on the 5th test to have an average of 88?
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You can put this solution on YOUR website! ( 4(85) + t )/5 = 88
4(85) + t = 88(5)
340 + t = 440
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t = 100
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