Question
Fred gave 211 of his marbles to Elijah, 111 of his marbles to Cole and 311 of his marbles to Daniel. He then had 25 marbles left. How many marbles had he at first?
4 m

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Fred gave 211 of his marbles to Elijah, 111 of his marbles to Cole and 311 of his marbles to Daniel. He then had 25 marbles left. How many marbles had he at first?