SOLUTION: One a test, a student answered 12 questions correctly. The number represents 80% of the total number of questions on the test. How many questions were on the test?

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Question 901566: One a test, a student answered 12 questions correctly. The number represents 80% of the total number of questions on the test. How many questions were on the test?
Answer by Purple mathematician (9) About Me  (Show Source):
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15 questions were on the test


15x.80=12