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08-01-2015
Mathematics

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Justin answered 68 questions correctly on 80 question test what percent did he get wrong

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08-01-2015

You already know he got 68 right. To find out how much he got wrong. 80-68=12

Now, you now he has 12 wrong. Divide 12/80=0.15

To turn it into a percentage move the decimal two places to the right so,

15% was wrong

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