SOLUTION: Two cars traveling toward each other are 500 miles apart. Car A is traveling 15 miles per hour faster than car B. The cars pass after 4 hours. How fast is each car traveling? THAN

Question 335252: Two cars traveling toward each other are 500 miles apart. Car A is traveling 15 miles per hour faster than car B. The cars pass after 4 hours. How fast is each car traveling? THANKS!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Two cars traveling toward each other are 500 miles apart.
Car A is traveling 15 miles per hour faster than car B.
The cars pass after 4 hours. How fast is each car traveling?
:
Let s = speed of car B
then
(s+15) = speed of car A
:
When the two cars meet their combined distance = 500
Write a dist equation, dist = time * speed
:
Car A dist + Car B dist = 500 mi
4(s+15) + 4s = 500
:
4s + 60 + 4s = 500
:
4s + 4s = 500 - 60
:
8s = 440
s =
s = 55 mph is Car B
then
55 + 15 = 70 mph is Car A
:
:
Check solution, find the distance of each
4(70) + 4(55) =
280 + 220 = 500; confirms our solutions
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