## Basic College Mathematics (9th Edition)

$\frac{8}{5}$.
80 miles to 50 miles $\frac{80 miles}{50 miles}$ now as both numerator and denominator has same unit it can be divided out. $\frac{80}{50}$ Now divide both numerator and denominator by 10. $\frac{80 ÷ 10}{50 ÷ 10}$ it can be written as a fraction in the lowest term as $\frac{8}{5}$.