SOLUTION: Debra took a test that consisted of 150 questions and she got 78% correct. How many questions did Debra miss on the test?

Question 192900: Debra took a test that consisted of 150 questions and she got 78% correct. How many questions did Debra miss on the test?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

First, we get how many correct she got:
, number of correct questions.

Then, , number of mistakes (Answer)

Simply to check,

If 78% are correct, so the remaining 22% (100-78=22%) are incorrect:
, good

Thank you,
Jojo
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