Question
Yesterday, Archie had 67 as many blue as black marbles. He sold 24 of his black marbles today. Now, he has twice as many blue as black marbles. How many marbles did he have altogether yesterday?
4 m

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Yesterday, Archie had 67 as many blue as black marbles. He sold 24 of his black marbles today. Now, he has twice as many blue as black marbles. How many marbles did he have altogether yesterday?