Tony is measuring the length of a straight fence. The first part of the fence is 63 m, the second part is 37 m, and the third part is 81 m, how long is the fence? Tony is measuring the length of a bridge that crosses a river, he knows that the bridge is 675 feet long. The part of the bridge on the left side of the river is 148 feet long. The part of the bridge that is on the right side of the river is 173 feet long. How many feet wide is the river?

A crane operator is extending the crane boom. The boom was 48 feet lo mg. The operator must extend the boom to reach some shipping containers 93 feet away. How many feet does the boom have to be extended?