Question
Olivia has thrice as many beads as Ivory. After Ivory has bought another 64 beads, Ivory has thrice as many beads as Olivia. How many beads does Ivory have at first?
4 m

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Olivia has thrice as many beads as Ivory. After Ivory has bought another 64 beads, Ivory has thrice as many beads as Olivia. How many beads does Ivory have at first?