SOLUTION: KWAN HIKED UP A HILL AT 4 km AND BACK DOWN AT 6 km HIS TOTAL HIKING TIME IS 3 HRS.HOW LONG DID THE TRIP UPHILL TAKE HIM?
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Question 178070: KWAN HIKED UP A HILL AT 4 km AND BACK DOWN AT 6 km HIS TOTAL HIKING TIME IS 3 HRS.HOW LONG DID THE TRIP UPHILL TAKE HIM?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The distance is the same going up and down
given:
km/hr
km/hr
hrs
I can set the right sides equal to eachother
And, since
hrs
and
hrs
The uphill trip took 1 hr and 4/5 of an hr, or
1 hr and 48 minutes
check:
------------------
The distances are equal as they should be, and
, the total time is 3 hrs
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