On the opening day at a toy store, every third customer gets a ball, and every fourth customer gets a stuffed animal.
If sixty people come to the store, how many get both a ball and a stuffed animal?
Answer (2)
x − a ll c u s t o m ers x = 60 3 1 x + 4 1 x = 3 1 ∗ 60 + 4 1 ∗ 60 = 3 60 + 4 60 = 20 + 15 = 35 35 c u s t o m ers g o t b o t h ba ll an d s t u ff e d animia l .
On the opening day of the toy store, 5 customers receive both a ball and a stuffed animal. This is determined by finding the least common multiple of the conditions for receiving each item. Thus, every 12th customer gets both items.
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