SOLUTION: Harry drove for 2 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 271 ​miles, then what

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Harry drove for 2 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 271 ​miles, then what      Log On

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Question 1161217: Harry drove for 2 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 271 ​miles, then what was his speed on the​ freeway?
Answer by ikleyn(52864) About Me  (Show Source):
You can put this solution on YOUR website!
.

Let x be his speed on the​ freeway, in miles per hour.


Then his speed on the country road was (x-20) mph.


The full distance equation


    2x + 5*(x-20) = 271.


    2x + 5x = 271 + 100

    7x      = 371

     x      = 371/7 = 53.


ANSWER.  His speed on the​ freeway was 53 mph.

Solved.

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