SOLUTION: I posted this question with two more. I apologize for the confusion. I wasn't paying close attention to directions! Thanks so much!!!! 1.) A bicyclist rode into the country fo

Question 90578: I posted this question with two more. I apologize for the confusion. I wasn't paying close attention to directions! Thanks so much!!!!

1.) A bicyclist rode into the country for 5h. In returning, her speed was 5 mi/h faster and the trip took 4h. What was her speed each way?

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You can use the formula: where d = distance, r = rate(speed) and t = time of travel.
For the outbound trip: hrs, so you can write:

For the return trip, the rate was 5 mph faster than for the outbound trip, so and , so you can write:

But the distance out is the same as the distance back, so...
or...
Simplify and solve for

mph This is the outbound speed.

mph This is the return speed.
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