Question 1093020
solve for "r" 
{{{(r/5) 0.25= (200-r/10) 1.25}}}
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Multiply by 4 to eliminate fractions
{{{r/5 = 5*(200 - r/10)}}}
Mutliply by 5
{{{r = 25*(200 - r/10) = 5000 - 2.5r}}}
Add 2.5r
3.5r = 5000
7r = 10000
r = 10000/7