Question
Yesterday, Fabian had 49 as many grey as yellow balls. He sold 49 of his yellow balls today. Now, he has twice as many grey as yellow balls. How many balls did he have altogether yesterday?
4 m

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Yesterday, Fabian had 49 as many grey as yellow balls. He sold 49 of his yellow balls today. Now, he has twice as many grey as yellow balls. How many balls did he have altogether yesterday?