Question
Yesterday, Julian had 45 as many white as grey marbles. He sold 12 of his grey marbles today. Now, he has twice as many white as grey marbles. How many marbles did he have altogether yesterday?
4 m

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Yesterday, Julian had 45 as many white as grey marbles. He sold 12 of his grey marbles today. Now, he has twice as many white as grey marbles. How many marbles did he have altogether yesterday?