Question
PSLE
Charlie had 46 more marbles than David at first. David gave 9 of his marbles to Charlie. Charlie now has 3 times as many marbles as David. How many marbles did David have at first?
3 m

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PSLE
Charlie had 46 more marbles than David at first. David gave 9 of his marbles to Charlie. Charlie now has 3 times as many marbles as David. How many marbles did David have at first?