# How do you translate "the number of miles your car gets per gallon if you use Y gallons travel 523 miles" into an algebraic expression?

$f = \frac{523}{y}$
"miles per gallon" means $\left(\text{miles")/("gallons}\right)$
$\textcolor{w h i t e}{\text{XXXX}}$"per" means "divided by"