SOLUTION: at chicken little rest they serve 6pc box,9 pc box, and 20 pc box.you can't order 13 pcs in any combination. what is the highest number that can't be ordered??? Thanks DAD

Question 166154: at chicken little rest they serve 6pc box,9 pc box, and 20 pc box.you can't order 13 pcs in any combination. what is the highest number that can't be ordered???
Thanks
DAD
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Any number divisible by 3 can be ordered after & including 6. after 26 any number divisible by 3 any one less than number divisible by 3 can be ordered after 46 which is one more than a number divisible by 3 no more can be ordered.
43 is the largest number that can't be ordered.
.
Ed

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