Traditional Culture Encyclopedia - Travel guide - Xiao Wang has gone on a trip.
Xiao Wang has gone on a trip.
According to the conditions, it took 5 hours.
Suppose it takes x hours to walk up the mountain highway and y hours to walk up the mountain, then X+Y+Y/2+X=5, and the combined result is 4X+3Y= 10.
The distance to go is exactly 4X+3Y= 10, so with the return distance, Wang Yi * * * walked 20KM.
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