Name:

A truck rental company charges according to the number of miles driven. The charge, C, in dollars is

C = 20 + 3d

where d is the distance driven, in miles.

1.  Find the rental charge if you drive 10 miles.

a.  20 dollars

b.  30 dollars

c.  40 dollars

d.  50 dollars

e.  60 dollars

2.  If the rental charge is 80 dollars, how far did you drive the truck?

a.  10 miles

b.  15 miles

c.  20 miles

d.  25 miles

e.  30 miles

3.  The charge for the truck includes a base rate and a per-mile charge. How much is the base rate?

a.  3 dollars

b.  20 dollars

c.  50 dollars

d.  80 dollars

e.  200 dollars

4.  What is the per-mile charge

a.  3 dollars

b.  20 dollars

c.  50 dollars

d.  80 dollars

e.  200 dollars