Question

How bad is the heavy traffic? You can walk 15

miles in the same time that it takes to travel 30
miles by car. If the car's rate is 2 miles per
hour faster than your walking rate, find the
average rate of each.

Answer 1

Average rate of car: 9 mph

Walking rate: 6 mph

Explanation:

Answer 2

Average rate of car: x+3

Walking rate: x

The equation is

10/15 = x/x+3

So

x = 6

So

Average rate of car: 9 mph

Walking rate: 6 mph

Explanation: