## Algebra 2 (1st Edition)

$y=2*x+2.50$
If the taxi driver charges 40 cents for each $1/5$ mile, we can multiply by 5 to get 200 cents or 2 dollars. This is the amount he charges per mile in addition to the $2.50$ Mapping this with $y=mx+b$ where y is cost, x is miles, m is rate, and b is initial cost, $y=2*x+2.50$