Question
Zoe had 39 more mochi balls than Diana at first. After Diana had eaten 11 of her mochi balls, Zoe had twice as many mochi balls as Diana. How many mochi balls did Zoe have at first?
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Zoe had 39 more mochi balls than Diana at first. After Diana had eaten 11 of her mochi balls, Zoe had twice as many mochi balls as Diana. How many mochi balls did Zoe have at first?