SOLUTION: Two cars start at an interstate interchange and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. How much time must elapse before the wo c

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Question 84537This question is from textbook
: Two cars start at an interstate interchange and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. How much time must elapse before the wo cars are 5 miles apart This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
55T-40T=5
15T=5
T=5/15
T=1/3 HOUR OR 20 MINUTES THEY WILL BE 5 MILES APART.
PROOF
55*1/3-40*1/3=5
18.333-13.333=5
5=5