SOLUTION: Frank rides his bike 4 mph faster than he walks. He can bike from home to work in thesame amount of time that it takes him to walk from home to the park. If the distance from Frank
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Question 157144: Frank rides his bike 4 mph faster than he walks. He can bike from home to work in thesame amount of time that it takes him to walk from home to the park. If the distance from Frank's home to work is 10 miles and the distance from his home to the park is 2 miles, what is Frank's walking speed? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Frank rides his bike 4 mph faster than he walks. He can bike from home to work in the same amount of time that it takes him to walk from home to the park. If the distance from Frank's home to work is 10 miles and the distance from his home to the park is 2 miles, what is Frank's walking speed?
:
Let s = walking speed
then
(s+4) = biking speed
:
:
Write a time equation: Time =
:
Bike time = Walk time =
Cross multiply
10s = 2(s+4)
:
10s = 2s + 8
:
10s - 2s = 8
:
8s = 8
:
s = 1 mph is his walking speed
;
Check solution by find the time of each trip
10/5 = 2
2/1 = 2
