Question
Mr Howard had 64 tennis balls. He gave 12 of his tennis balls to Archie. During the practice, Mr Howard lost 4 tennis balls. How many tennis balls did Mr Howard have in the end?
4 m

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Mr Howard had 64 tennis balls. He gave 12 of his tennis balls to Archie. During the practice, Mr Howard lost 4 tennis balls. How many tennis balls did Mr Howard have in the end?