Question
Mr Bobby had 60 ping pong balls. He gave 14 of his ping pong balls to Billy. During the practice, Mr Bobby lost 4 ping pong balls. How many ping pong balls did Mr Bobby have in the end?
4 m

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Mr Bobby had 60 ping pong balls. He gave 14 of his ping pong balls to Billy. During the practice, Mr Bobby lost 4 ping pong balls. How many ping pong balls did Mr Bobby have in the end?