SOLUTION: During the first part of a​ trip, Adrian drove 44 miles at a certain speed. Adrian drives another 44 miles on the second part of the trip at a speed 5 mph faster.

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Question 1115735: During the first part of a​ trip, Adrian drove 44

miles at a certain speed. Adrian drives another 44

miles on the second part of the trip at a speed 5

mph faster. Driving time for the entire trip was 80

mins. Find the rate at which Adrian drove during the first part of the trip.
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
                 SPEED           TIME                   MILESDISTANCE

FirstPart          r                                 44

SecondPart        r+5                            44

Total


80 minutes is 1 hour 20 minutes or, 1 hour and 1/3 of an hour.

Use from the equation .
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