Question
Yesterday, Japheth had 89 as many red as purple balls. He sold 21 of his purple balls today. Now, he has four times as many red as purple balls. How many balls did he have altogether yesterday?
4 m

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Yesterday, Japheth had 89 as many red as purple balls. He sold 21 of his purple balls today. Now, he has four times as many red as purple balls. How many balls did he have altogether yesterday?