Respuesta :

toporc
S = R - rR
Take out R as a common factor on the right hand side.
S = R(1 - r)
Now divide both sides by (1 - r), to get R by itself:
S/(1 - r) = R
apologiabiology
remember the distributive property, we are gong to reverse that
1R-rR=R(1-r)

we now have
S=R(1-r)
divide both sides by (1-r)
[tex] \frac{s}{1-r} = R[/tex]

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