SOLUTION: Two cars, one traveling 10 mph faster than the other, start at the same time from the same point and travel in opposite directions. In 3 hours they are 300 miles apart. Find the ra

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Question 619727: Two cars, one traveling 10 mph faster than the other, start at the same time from the same point and travel in opposite directions. In 3 hours they are 300 miles apart. Find the rate of each car.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Two cars, one traveling 10 mph faster than the other, traveling highlight%28x%29mph
start at the same time from the same point and travel in opposite directions.
In 3 hours they are 300 miles apart. D = rt
%28x%2B10mph%29%2A3hr+%2B+x%2A3hr++=+300mi
6x = 270mi
x = 270/6 = 45mph. The faster train is traveling 55mph
CHECKING our Answer***
45mph· 3hr + 55mph· 3hr = 300mi