Question

A store is giving away a $10 to every 7th person to enter the store and a $25 coupon to every 18th person to enter the store . which person will be the first to get both coupons?

Answer 1

You need to find the Lcm of it which is the 126th person

Answer 2

To do this we need to find the LCM of 7 and 18. This is 126.

So, it's the 126th customer