3 years ago

the average of johnnys two tests is a 92. what must he get to on a third test to raise his average to a 94

1 answer:

8 0

N=3 tests and the average is 94
3*94= 282
92+92 (add the average scores) = 184
282-184=98
He needs a 98 to raise his average to a 94

Hopefully this helps...

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