SOLUTION: Harry drove for 2 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 352 ​miles,

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Question 1085529: Harry drove for
2 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 352 ​miles, then what was his speed on the​ freeway?
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
                   SPEED     TIME        DISTANCE

FREEWAY              r         2           2r

COUNTRY ROAD        r-20       6          6(r-20)

Total                         8            352








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