Question

$$5400=\frac{15000\times R\times3}{160}$$

Answer

R=96/5

Solution


Simplify  \(15000R\times 3\)  to  \(45000R\).
\[5400=\frac{45000R}{160}\]
Simplify  \(\frac{45000R}{160}\)  to  \(\frac{1125R}{4}\).
\[5400=\frac{1125R}{4}\]
Multiply both sides by \(4\).
\[5400\times 4=1125R\]
Simplify  \(5400\times 4\)  to  \(21600\).
\[21600=1125R\]
Divide both sides by \(1125\).
\[\frac{21600}{1125}=R\]
Simplify  \(\frac{21600}{1125}\)  to  \(\frac{96}{5}\).
\[\frac{96}{5}=R\]
Switch sides.
\[R=\frac{96}{5}\]

Decimal Form: 19.2