Create a free account!

When you create an account, we'll save your progress. Plus, you'll have access to some cool tools, like reports, assignments, gradebook, and awards.

A man and his two children come across a river. They only have one boat, and it can hold at most 50 kilograms. If the man weighs 50 kilograms and the children each weigh 25 kilograms, what is the least number of trips they need across the rover to all cross?