SOLUTION: A lady traveled 100 km at a rate of 30km/hr. If she wants her return trip to be 3/4 of her initial trip, at what rate must she return?
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Question 382619: A lady traveled 100 km at a rate of 30km/hr. If she wants her return trip to be 3/4 of her initial trip, at what rate must she return?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
100/30=3 1/3 hrs to go
3 1/3*3/4=
10/3*3/4=30/12=2 1/5 hrs for return
-----------------------------------
100/2 1/2=
100/(5/2)=
100*2/5=200/5=40
------------------
100/2.5=40 mph return
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