jxxxxxx120
jxxxxxx120
15-05-2018
Mathematics
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what percent of 28 is 21
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jdoe0001
jdoe0001
15-05-2018
if we take 28 to be the 100%, what is 21 off of it?
[tex]\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 28&100\\ 21&p \end{array}\implies \cfrac{28}{21}=\cfrac{100}{p}\implies p=\cfrac{21\cdot 100}{28}[/tex]
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WaffleNeedsHelp
WaffleNeedsHelp
15-05-2018
21 divided by 28 equals 7. thus is 70%
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