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Mathematics 9 Online
OpenStudy (anonymous):

25% of what # equals 21?

OpenStudy (anonymous):

the answer is 84.

OpenStudy (anonymous):

i got this by using the following equation.

OpenStudy (anonymous):

\[\frac{ 25 }{ 100 } = \frac{ 21 }{ ? }\]

OpenStudy (anonymous):

In order to get the answer to ? I cross multiplied 100 and 21 which equals 2100, and then finally divided 2100 by 25 which equals 84.

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