Respuesta :
12th customer get both benefit of calendar and $1
Given that;
Every fourth customer get free calendar
Every sixth customer get $1
Find:
Number of customer get both benefit
Computation:
Number of customer get both benefit = LCM of 4th and 6th
We know that;
LCM of 4 , 6 is 12
So,
12th customer get both benefit
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