Question
Mr Will had 75 ping pong balls. He gave 15 of his ping pong balls to Ahmad. During the practice, Mr Will lost 4 ping pong balls. How many ping pong balls did Mr Will have in the end?
4 m

Click button first when a symbol is required. X

Mr Will had 75 ping pong balls. He gave 15 of his ping pong balls to Ahmad. During the practice, Mr Will lost 4 ping pong balls. How many ping pong balls did Mr Will have in the end?