SOLUTION: Harry Drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 637 miles, then what was h

SOLUTION: Harry Drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 637 miles, then what was h

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Question 851326: Harry Drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 637 miles, then what was his speed on the freeway.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
6*f+5*(f-20)=637
6f+5f-100=637
11f=737
f=737/11
f=67
c=47
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