Question
Owen had 57 pens. He packed them into packets of 4 or 5. There were 3 more packets of 4 than packets of 5. How many packets of pens were there in the end?
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Owen had 57 pens. He packed them into packets of 4 or 5. There were 3 more packets of 4 than packets of 5. How many packets of pens were there in the end?