Question
Yesterday, Daniel had 67 as many grey as white balls. He sold 60 of his white balls today. Now, he has thrice as many grey as white balls. How many balls did he have altogether yesterday?
4 m

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Yesterday, Daniel had 67 as many grey as white balls. He sold 60 of his white balls today. Now, he has thrice as many grey as white balls. How many balls did he have altogether yesterday?