| To convert money in Mexican pesos to American dollars, use the formula D = 0.08P. Calculate the dollar amount of 75 pesos. |
D = 0.08(75) = 6 75 pesos = 6 dollars |
| Find the inverse of D = 0.08P by solving for P. | D = 0.08P \(\small\mathsf{ \frac{1}{0.08}D = \frac{0.08P}{0.08} }\) P = 12.5D |
| Calculate the peso amount of 100 dollars. | P = 12.5(100) = 1250 100 dollars = 1250 pesos |