Jose was going to sell all of his stamp collection to buy a video game. after selling half of them he changed his mind. he then by 16 more. how many did he start with if he now has 37?

Arectangular lawn is 65 m long and 34 m wide. over time, people have walked along a diagonal as a shortcut and have created a straight path. what is the length of the path, to the nearest tenth of a meter? enter your answer as a deicmal in the box. m