Q:

During a promotional event a sporting goods store gave a free t-shirt to every 8th customer and free water bottle yo every 10th customer which customer was the first to get a free t-shirt and free water bottle

Accepted Solution

A:
Answer:The 40th customer was the first to get a free t-shirt and free water bottleStep-by-step explanation:* Lets explain how to solve the problem- A sporting goods store gave a free t-shirt to every 8th customer- It gives  free water bottle to every 10th customer- We need to know which customer was the first to get a free t-shirt  and free water bottle- The position of this person must be a number divisible by 8 and 10∵ The first number divisible by 8 and 10 is 40∴ The customer is the 40th* Lets check that by this way:- List the 8th positions and the 10th positions to find the common  position in the two conditions# 8th , 16th , 24th , 32nd , 40th , 48th , ..................................................# 10th , 20th , 30th , 40th , 50th , ......................................∴ The 40th customer was the first to get a free t-shirt and free water bottle