SOLUTION: Harry drove for 2hours on the freeway,then decreased his speed by 20miles per hour and drove for 6 more hours on a country road.if his total trip was 400miles,then what was his spe
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Question 978492: Harry drove for 2hours on the freeway,then decreased his speed by 20miles per hour and drove for 6 more hours on a country road.if his total trip was 400miles,then what was his speed on the freeway Answer by josgarithmetic(39620) (Show Source):
You can put this solution on YOUR website! ________________rate___________time____________distance
freeway_________r_______________2______________r*2
road____________r-20____________6_____________(r-20)*6
Total___________________________________________400
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