Question
Vaidev strings some green and purple seashells to make a necklace. For every 6 green seashells Vaidev uses, he uses 7 purple seashells. He uses a total of 117 green and purple seashells for the necklace. How many more purple seashells than green seashells does he use?
4 m

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Vaidev strings some green and purple seashells to make a necklace. For every 6 green seashells Vaidev uses, he uses 7 purple seashells. He uses a total of 117 green and purple seashells for the necklace. How many more purple seashells than green seashells does he use?