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Hemanth
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On each business trip, a salesman visits three of the eight major cities in his territory. In how many different ways can he
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F=mg 60*10=600 N Power=Work/Time =Force*Displacement/Time =600*5/6 =500 Watt Thumbs up Plzzz..
First you need to determine if it's permutation or combination. If it were a permutation, the salesman would permute (def permute: to change the order or arrangement of; especially to arrange in all possible ways) his 4 visits. That means he would be
