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Suppose that hot dogs come in packs of 6 and buns come in packs of 10. Rafael bought the same number of hot dogs as buns. It was the least number of each for which this was possible.

 Mar 10, 2020
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I suppose you are wondering the least number of each (buns and dogs packages) to have the same number of each :buns = dogs

 

LCM of 10 and 6 is 30     so Raf would buy 5 packs of hot dogs and 3 packs of buns.

 Mar 10, 2020

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