How many times does the boat have to cross the river for everyone to get to the other side?

1 Answer

29 times

Steps to get one man over the river: 2 boys cross the river- 1 boy returns- 1 man crosses the river- 1 boy returns
Above steps need to be repeated for every man so 7x4=28 times to get men and one more cross for boys so total of 29 times

answer Jul 11, 2018 by Hanifa Mammadov

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