Question

$$\left. \begin{array} { l } { M P = ? } \\ { x O F 25 \% = 120 } \end{array} \right.$$

Answer

n=(0.25*OF-120)/p

Solution


Simplify  \(25\%\)  to  \(0.25\).
\[np=OF\times 0.25-120\]
Regroup terms.
\[np=0.25OF-120\]
Divide both sides by \(p\).
\[n=\frac{0.25OF-120}{p}\]