Posted by nick on Tuesday, February 7, 2012 at 10:23pm.
what is the lowest common multiple of 6 and 9 ?
My son has this question tonight for homework. I think the answer is the 18th person would get both coupons. I made a diagram. 5xs then a F for the free fruit coupon, i went up to 4 groups then a F. then i went back and counted to the ninth person and put a j for juice above it. The 18th person had both a j and a f.
xxxxxFxxxxxFxxxxxxFxxxxxF, then count 9, and put a j for juice above it. The 18th person has both coupons.
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