Question

Yadira's mom is buying hot dogs and hot dog buns for the family barbecue. Hot dogs come in packs of 1 and hot dog buns come in packs of 9. The store does not sell parts of a pack and Yadira's mom wants the same number of hot dogs as hot dog buns. What is the smallest total number of hot dogs that Yadira's mom can purchase?

Answer 1

36 hotdogs

Explanation:

Mathematically, we say that 36 is the least common multiple of 12 and 9. In math notation this looks like:

lcm of 9 and 12 is 36

The smallest total number of hot dogs that Yadira's mom can purchase is , 36.

Answer 2

Nine

Explanation:

The smallest number of buns is one pack or 9 buns.

If there is one hot dog per bun, the smallest number of hot dogs is nine.