Question

Which of the following cars is traveling at the fastest rate of speed?

141 miles in 3 hours
205 miles in 5 hours
97 miles in 2 hours
172 miles in 4 hours

Answer 1

141/3 = 47 miles per hr
205/5 41 miles per hr
97/2 = 48.5 miles per hr
172/4 = 43 miles per hr

fastest one is : 97 miles in 2 hrs

Answer 2

Simple....

find out how fast each car is going per hour:

$\frac{141}{3} =47$ (47mph)

$\frac{205}{5} =41$ (41 mph)

$\frac{97}{2} =48.5$ (48.5 mph)

$\frac{172}{4} =43$ (43 mph)

Thus, your answer.