409,595 views
26 votes
26 votes
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.

User Baluchen
by
2.8k points

2 Answers

26 votes
26 votes

Answer:

Average rate of car: 9 mph

Walking rate: 6 mph

Explanation:

User Nathan Xabedi
by
3.2k points
8 votes
8 votes

Answer:

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:

User Cherple
by
2.1k points