Question
PSLE
John had $20 more than Cathy at first. After John gave some of his money to Cathy, he had $42 less than Cathy. How much money did John give to Cathy?
2 m

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PSLE
John had $20 more than Cathy at first. After John gave some of his money to Cathy, he had $42 less than Cathy. How much money did John give to Cathy?