SOLUTION: Paul rides 3 hours total on a bicycle trip into the country and back. He rode out at the rate of 16 mph and returned at the rate of 21 mph. How far into the country did Paul rid

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Question 373282: Paul rides 3 hours total on a bicycle trip into the country and back. He rode out at the rate of 16 mph and returned at the rate of 21 mph. How far into the country did Paul ride (round to the nearest hundredth)?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
D=16T
D=21(3-T)
16T=21(3-T)
16T=63-21T
16T+21T=63
37T=63
T=63/37
T=1.703 HOURS FOR THE 16 HOUR TRIP.
3-1.703=1.297 HOURS FOR THE 21 HOUR TRIP.
PROOF:
16*1.703=21*1.297
27.2=27.2 MILES ANSWER.