The distances traveled by car a and car b after x hours are represented by the graph and table
below
cara
carb
distance in miles)
(time) (distance)
3
240
6 480
8 640
12960
10+
2 4 6 8 10
time (in hours)
which statement is true?
a. the speed of car a is twice the speed of car b.
b. the speed of car b is twice the speed of car a.
c. the speed of car a is 2.4 times the speed of car b.
d. the speed of car b is 2.4 times the speed of car a.