Question
Shiyun had a total of 339 red and purple marbles. She used 45 of her red marbles and bought another 39 purple marbles. The number of purple marbles she had then become 14 the number of red marbles. How many less purple marbles than red marbles did she have at first?
4 m

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Shiyun had a total of 339 red and purple marbles. She used 45 of her red marbles and bought another 39 purple marbles. The number of purple marbles she had then become 14 the number of red marbles. How many less purple marbles than red marbles did she have at first?