SOLUTION: Two cars start traveling at the same time. The first car travels 120 miles in the same time that the second car travels 108 miles. The average speed of the first car is 5 miles per

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Question 1061270: Two cars start traveling at the same time. The first car travels 120 miles in the same time that the second car travels 108 miles. The average speed of the first car is 5 miles per hour greater than the average speed of the second car. What is the average speed of each car?
Found 2 solutions by josgarithmetic, addingup:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
CARS        SPEED          TIME         DISTANCE
A Car       r+5             t            120
B Car       r               t            108


120%2F%28r%2B5%29=108%2Fr

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
108/x = 120/x+5
x/108 = (x+5)/120
x/108 = x/120+1/24
x/1080 = 1/24
x = 45 the slow car was going at 45mph and the fast car at 45+5= 50mph