## Basic College Mathematics (9th Edition)

7500 mg to g Unit for the answer (g) is in numerator; unit being changed (mg) is in denominator so it will divide out. The unit fraction is $\frac{1 g}{1000 mg}$. Multiply 7500 mg times to the unit fraction 7500 mg *$\frac{1 g}{1000 mg}$. = 7.5 g