Question
Mr Riordan had 60 squash balls. He gave 23 of his squash balls to Archie. During the practice, Mr Riordan lost 4 squash balls. How many squash balls did Mr Riordan have in the end?
4 m

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Mr Riordan had 60 squash balls. He gave 23 of his squash balls to Archie. During the practice, Mr Riordan lost 4 squash balls. How many squash balls did Mr Riordan have in the end?