SOLUTION: Every 5th customer gets a free drink, every 6th customer gets free chips and every 10th customer gets a free sandwich - how many customers will it take to come in the shop until on

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Question 1022784: Every 5th customer gets a free drink, every 6th customer gets free chips and every 10th customer gets a free sandwich - how many customers will it take to come in the shop until one Customer gets all three
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
LCM(5,6,10) = 30

Assuming there *is* a customer that gets all three, every 30th customer will get all 3.