SOLUTION: A student answered 72 problems on a test correctly and received a grade 80%. How many problems were on the test, if all the problems were worth the same number of points?
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Question 806585: A student answered 72 problems on a test correctly and received a grade 80%. How many problems were on the test, if all the problems were worth the same number of points?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
72=.8x
720=8x
90=x
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