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At the grand opening of a new store, every 9th customer will receive a balloon and every 12th customer will receive a $10 gift certificate. Which customer will be the first to get both a balloon and gift certificate?

1 Answer

8 votes

Answer: 36th customer.

Step-by-step explanation: 36 is divisible by both 9 and 12, and is the least common multiple.

User Nwaltham
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