SOLUTION: Jack�s average in Math for the first nine weeks was an 88. His second nine weeks average decreased 12.5%. What was his average for the second nine weeks?

SOLUTION: Jack�s average in Math for the first nine weeks was an 88. His second nine weeks average decreased 12.5%. What was his average for the second nine weeks?

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Question 1100109: Jack�s average in Math for the first nine weeks was an 88. His second nine weeks average decreased 12.5%. What was his average for the second nine weeks?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1.00-.125=.875
.875*88=77
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