Question
Marbles are sold in boxes of 7.
During a sale, 3 extra marbles are given free for every box sold.
Adam buys 7 boxes of marbles.
How many marbles does he get altogether?
4 m

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Marbles are sold in boxes of 7.
During a sale, 3 extra marbles are given free for every box sold.
Adam buys 7 boxes of marbles.
How many marbles does he get altogether?