SOLUTION: During the first part of a trip a bicyclist travels 59 miles at a certain speed the return trip is made at a speed that is 6 mph slower total time for the round trip is 15 hours fi
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Question 812702: During the first part of a trip a bicyclist travels 59 miles at a certain speed the return trip is made at a speed that is 6 mph slower total time for the round trip is 15 hours find the bicyclists average speed on each part of the trip.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
For each trip, mi
Let = the time in hrs for the 1st part of the trip
Let = the speed in mi/hr for the 1st part of the trip
----------------
Equation for 1st part:
(1)
Equation for 2nd part
(2)
--------------------------
(2)
and
(1)
---------------
(2)
(2)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
You can finish - the kitty has his front leg stretched across
the keyboard
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