Question
Fred gave 17 of his marbles to Henry, 27 of his marbles to Charlie and 17 of his marbles to Jenson. He then had 3 marbles left. How many marbles had he at first?
4 m

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Fred gave 17 of his marbles to Henry, 27 of his marbles to Charlie and 17 of his marbles to Jenson. He then had 3 marbles left. How many marbles had he at first?