Task 9
At Cold Stone Ice Cream, a customer just won a free waffle cone and a free hot cocoa! Cold Stone gives free waffle cones to every 7th customer and a free hot cocoa to every 9th customer. How many customers need to purchase ice cream before a customer can win both at the same time again?
At Cold Stone Ice Cream, a customer just won a free waffle cone and a free hot cocoa! Cold Stone gives free waffle cones to every 7th customer and a free hot cocoa to every 9th customer. How many customers need to purchase ice cream before a customer can win both at the same time again?
