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Mathematics 19 Online
OpenStudy (anonymous):

Eighty-four is 70% of what number?

OpenStudy (anonymous):

120

OpenStudy (anonymous):

how did you get 120 could you show an example

OpenStudy (anonymous):

yes i agree with Ldaniel...

OpenStudy (anonymous):

You have : \[84=70\%\text{ of }x\] So : \[x=\frac{100\times 84}{70}\]

OpenStudy (anonymous):

84/70=1.2 1.2*100= 120

OpenStudy (anonymous):

or just 84/.70 = 120

OpenStudy (anonymous):

or an easier way is like this: 120x .70 = 84

OpenStudy (anonymous):

thats how i always do it..

OpenStudy (anonymous):

thanks so much for ur help

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