Question
Yoko collected 489 marbles. Kathy collected 55 marbles more than Yoko. Kathy collected 2 times as many marbles as Xandra. How many marbles did Xandra collect?
4 m

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Yoko collected 489 marbles. Kathy collected 55 marbles more than Yoko. Kathy collected 2 times as many marbles as Xandra. How many marbles did Xandra collect?