Question
Yesterday, Henry had 611 as many black as silver marbles. He sold 16 of his silver marbles today. Now, he has twice as many black as silver marbles. How many marbles did he have altogether yesterday?
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Yesterday, Henry had 611 as many black as silver marbles. He sold 16 of his silver marbles today. Now, he has twice as many black as silver marbles. How many marbles did he have altogether yesterday?