ANSWER
Find out the customer was the first to get both items
To proof
As given
During a promotional event
sporting goods store gave every 14th customer a free shirt and a free bottle to every 18th customer.
Least common factor of ( 14 , 18 )
L.C.M (14,18) = 2 ×7 ×9
= 126
Also as shown in the table given below
in the table
the common value in the shirt and bottle is 126.
i.e 126 th the customer was the first to get both items.
Hence proved
