72=450(r)(30/12)

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Solution for 72=450(r)(30/12) equation:


72=450(r)(30/12)

We simplify the equation to the form, which is simple to understand 
72=450(r)*(30/12)

Reorder the terms in parentheses
multiplication of parentheses
72=450*(+2.5r)



Reorder the terms in parentheses
72=+(+1125r)

Remove unnecessary parentheses
+72=+1125r

We move all terms containing r to the left and all other terms to the right. 
-1125r=-72

We simplify left and right side of the equation. 
-1125r=-72

We divide both sides of the equation by -01125 to get r. 
r=0.064

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