Answer
$\frac{8}{5}$.
Work Step by Step
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 $\frac{8}{5}$.
