Question
Archie had 80 buttons. He packed them into packets of 4 or 6. There were 5 more packets of 4 than packets of 6. How many packets of buttons were there in the end?
4 m

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Archie had 80 buttons. He packed them into packets of 4 or 6. There were 5 more packets of 4 than packets of 6. How many packets of buttons were there in the end?