Question

During a promotional event a sporting goods store gave a free t-shrit to every 10 customer and a free water bottle to every 15 customer which customer has the first to get a free t-shirt and a free water bottle

Answer 1

9514 1404 393

Answer:

30th

Explanation:

The least common multiple of 10 and 15 is 30.

30 = 10×3 = 15×2

The 30th customer will be the first to receive both promotional items.