SOLUTION: How do I do this word problem? Carmen recently rides her bicycle to visit her friend who lives 12 miles away. On her way there her average speed was 10 miles per hour faster than

SOLUTION: How do I do this word problem? Carmen recently rides her bicycle to visit her friend who lives 12 miles away. On her way there her average speed was 10 miles per hour faster than

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Question 806329: How do I do this word problem?
Carmen recently rides her bicycle to visit her friend who lives 12 miles away. On her way there her average speed was 10 miles per hour faster than on her way home. If Carmen spent a total of 1 hour bicycling find the two rates?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b=1,
bx=12,
(x+10)a=12
a = 2/5, b = 3/5, x = 20
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