Question
In a box, there are 79 pencils and post-it-pads. There are 7 more pencils than post-it-pads. The number of sharp pencils is 15 more than the number of blunt pencils. How many blunt pencils are there?
4 m

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In a box, there are 79 pencils and post-it-pads. There are 7 more pencils than post-it-pads. The number of sharp pencils is 15 more than the number of blunt pencils. How many blunt pencils are there?