Question

Hat every 2nd visitors backpack every 10th visitor tshirt every 7th visitor how often will a bag contain a 3 items

Answer 1

Every 70th visitor

Explanation:

Find the least common multiple of 2, 10, and 7.

Write the prime factorization:

2 = 2

7 = 7

10 = 2×5

So the LCM is:

LCM = 2×5×7

LCM = 70

Every 70th visitor will get a bag containing all 3 items.