SOLUTION: The average of Johnny's two tests is a 92. What must he get on a 3rd test to raise his average to a 94?

Question 1052398: The average of Johnny's two tests is a 92. What must he get on a 3rd
test to raise his average to a 94?

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
average=total/number
92=total/2
total=184
For the third test, n=3, average must be 94, and 3*94 is 282. His current total is 184, so he needs a 98.
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Way 2
each test is two points below the desired average or 4 points total.
The third test must be four points above the average or 98.
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