Question
Andy used 74 rods to make a total of 12 pentagons and heptagons. A pentagon was made using 5 rods and a heptagon was made using 7 rods. How many heptagons were there?
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Andy used 74 rods to make a total of 12 pentagons and heptagons. A pentagon was made using 5 rods and a heptagon was made using 7 rods. How many heptagons were there?