Question

Four people wanted to cross the river. There is only one boat available, and it can carry a maximum of

200 pounds. The weights of the four people are 190, 170, 110, and 90 pounds. How can they all
manage to get across the river, and what is the minimum number of crossings required for the boat?

Answer 1

3 Trips/crossings

Explanation:

190 Pounder Person goes by themselves, 170 goes by themselves, and 110 and 90 pounds go together.