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Janice correctly answered 21 of the 24 questions. what percent of the questions did she answer correctly?
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Jul 15, 2016
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Janice correctly answered 21 of the 24 questions. what percent of the questions did she answer correctly?
Mathematics
middle-school
Urgentx
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24 = 100%
21 = x%
Cross Multiply
24 * x = 100 * 21
24x = 2100
x =
2100
24
x = 87.5
Solution: 87.5%
Robina Li
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Jul 16, 2016
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Robina Li
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so 21/24=x%
percent means parts out of 100 so
21/24
divide the fraction out
0.875
this is out of 1 so
0.875/1 times 10/10=8.75/10 timmes 10/10=87.5/100
the answer is 87.5%
Manpikin
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Jul 19, 2016
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Manpikin
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