A car rental company's fees are shown.

Question

Suppose you rent a car using Option 2.  Write an expression that gives the total cast in dollars for driving m miles.  Then find the cost for driving 150 miles.  

 

Car Rental Prices

Option 1                Option 2

$19.95 per day       $50 fee

$0.17 per mi           $0.17 per mi

Answer 1

Let x = the number of miles you drive and y = the cost:

 

y = $50 + ($0.17)x

 

For x= 150 miles, the cost (y) is:

 

y = $50 + ($0.17)(150)

 

Use your calculator to find y.