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John answered 12 questions correctly on a test with a total of 15 questions. What percent of the questions did he get INCORRECT?

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John answered 12 questions correctly on a test with a total of 15 questions. What percent of the questions did he get INCORRECT?

A. 20%

B. 15%

C. 25%

D. 80%

Oct 20, 2021

#1
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12 correct means 3 out of 15 incorrect

3 / 15 * 100% = ________ %

Oct 20, 2021
#2
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($$\frac{12}{15}=\frac{4}{5}$$) so he got 80 percent right and ($$100-80=$$) 20 percent wrong.

A is correct.

Straight

Oct 20, 2021