SOLUTION: Lois rode her bike to a friends at 10 miles per hour. She got a ride back home in a car, traveling 25 miles per hour. It took her 1.5 hours longer when she rode her bike. how far d

Question 525510: Lois rode her bike to a friends at 10 miles per hour. She got a ride back home in a car, traveling 25 miles per hour. It took her 1.5 hours longer when she rode her bike. how far did she travel?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = distance to her friends
Let = time it took to get home in car
given:
mi/hr = speed on bike
mi/hr = speed in car
hrs = time to ride bike to friends
-----------------------------------
Riding bike:
(1)
Riding in car:
(2)
-----------
substitute (2) into (1)
(1)
(1)
(1) hr
and
(2)
(2)
She traveled a total of , or 50 miles
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