SOLUTION:
Harry drove for 4 hours on the​ freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 ​miles
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Harry drove for 4 hours on the​ freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 ​miles
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Question 1061397:
Harry drove for 4 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 miles, then what was his speed on the freeway? Answer by Alan3354(69443) (Show Source):
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Harry drove for 4 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 miles, then what was his speed on the freeway?
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f = speed on the freeway.
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4f + 6(f-20) = 530
Solve for f.
