## Algebra: A Combined Approach (4th Edition)

$30$ mph
$r=\frac{k}{t}$ $r=24;t=5$ $24=\frac{k}{5}$ $24\times5=\frac{k}{5}\times5$ $k=120$ $r=\frac{120}{t}$ Finding the rate needed to drive the same distance in 4 hours. $t=4$ $r=\frac{120}{4}$ $r=30$ mph