SOLUTION: A girl drove 4 hours there and drove back in 3 hours. What were her speeds if her speed coming back was 11 mph greater than her speed there?

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Question 436015: A girl drove 4 hours there and drove back in 3 hours. What were her speeds if her speed coming back was 11 mph greater than her speed there?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the girl's speed. Her distance traveled is 4x. The same distance traveled back was at x+11 for 3 hours. Therefore:
4x=3(x+11)
4x=3x+33
x=33
Her speed there was 33mph. Her speed back was 44 miles per hour.