A truck rental company rents a moving truck for one day by charging $39 plus $0.09 per mile. What is the cost of renting the truck if the truck is driven 150 miles? 339 miles?

1 Answer
Dec 5, 2017

$52.50 and $69.51

Explanation:

You can set this up like a linear equation y=mx+b.
1. Identify your slope (x): $0.09 per mile.
2. Identify the y-intercept or flat base rate: $39.
3. Form the equation: y=0.09x+39
5. Plug in values:
$0.09(150mi)+$39=$52.50
$0.09(339mi)+39=$69.51