Question
Some files and markers were packed into blue and grey packets. There were 3 less grey packets than blue packets. Each blue carton contained 7 files and each grey carton contained 13 markers. Given that there were 27 more markers than files in total, how much markers were there?
3 m

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Some files and markers were packed into blue and grey packets. There were 3 less grey packets than blue packets. Each blue carton contained 7 files and each grey carton contained 13 markers. Given that there were 27 more markers than files in total, how much markers were there?