SOLUTION: On a 30 problem test,Henry gets 90% correct. How many problems did he get wrong?
Algebra.Com
Question 983374: On a 30 problem test,Henry gets 90% correct. How many problems did he get wrong?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
If Harry got 90% correct, he got 10% wrong:
(0.10)(30)=3 ANSWER: He got 3 wrong.
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