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07-10-2016
Mathematics

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d=R(100-x)/100 for r '

i need help thank you

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apologiabiology apologiabiology

07-10-2016

times oth sides by 100
100d=r(100-x)
divide both sides by (100-x)
[tex] \frac{100D}{100-x}=r [/tex]
[tex] x= \frac{100D}{100-x} [/tex]

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