SOLUTION: I am having a hard time with this word problem, can you please help? A car travels 60 miles in the same time that a car traveling 10 miles per hour faster travels 90 miles. Wha

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Question 43188: I am having a hard time with this word problem, can you please help?
A car travels 60 miles in the same time that a car traveling 10 miles per hour faster travels 90 miles. What is the rate of each car?
Thanks a bunch!
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
DISTANCE = RATE * TIME
TIME = DISTANCE/RATE
TIME OF FIRST CAR - TIME OF SECOND CAR = 0
DISTANCE/RATE OF FIRST CAR - DISTANCE/RATE OF SECOND CAR = 0
60%2Fr+-+90%2F%28r+%2B+10%29+=+0
%2860r%28r%2B10%29%29%2Fr+-+%2890r%28r%2B10%29%29%2F%28r+%2B+10%29+=+0r%28r%2B10%29
60%28r%2B10%29+-+90r+=+0
60r+%2B+600+-+90r+=+0
-30r+=+-600
r+=+20