Question

Imagine that you took a road trip. Based on the information in the table, what was the average speed of your car?

Time Mile marker
3:00 pm 11
8:00 pm 205

Answer 1

The answer is 38.8

The average speed (v) is the change in distances (d1 and d2) divided by the change of time (t1 and t2):

`v = (d2 - d1)/(t2 - t1)`

We have:
d1 = 11
d2 = 205
t1 = 3
t2 = 8


`v = (205 - 11)/(8 - 3) = (194)/(5) =38.8`