SOLUTION: Solve the following problem. Keep in mind the suggestions we offered in this section. Dawn starts on a 116-mile trip on her moped at 20 miles per hour. After a while the motor

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Question 1021378: Solve the following problem. Keep in mind the suggestions we offered in this section.
Dawn starts on a 116-mile trip on her moped at 20 miles per hour. After a while the motor stops, and she pedals the remainder of the trip at 16 miles per hour. The entire trip takes 6 1/2 hours. How far had Dawn traveled when the motor on the moped quit running?
Found 2 solutions by josgarithmetic, ewatrrr:
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
              rate         times             distances

Motor          20           m                  20m

Peddle         16           p                  16p

Total                                       116






Distance equation members divisible by 4:

and then multiply the time equation's members by 4 to prepare for Elimination Method:


Quickly find .
The distance traveling motorized was .
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
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