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A person, who can walk down a hill at the rate of $$4{1\over2}$$km/hour and up the hill at the rate of 3 km/hour, ascends and comes down to his starting point in 5 hours. How far did he ascend?
5Q:
A person, who can walk down a hill at the rate of $$4{1\over2}$$km/hour and up the hill at the rate of 3 km/hour, ascends and comes down to his starting point in 5 hours. How far did he ascend?
- 115 kmfalse
- 29 kmtrue
- 313.5 kmfalse
- 43 kmfalse
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