Question
Barbara had 29 more mochi balls than Jean at first. After Jean had eaten 15 of her mochi balls, Barbara had thrice as many mochi balls as Jean. How many mochi balls did Barbara have at first?
4 m

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Barbara had 29 more mochi balls than Jean at first. After Jean had eaten 15 of her mochi balls, Barbara had thrice as many mochi balls as Jean. How many mochi balls did Barbara have at first?