How many chicken nuggets can you buy if they are only sold in packs of 6, 9 and 20? The picture shows all the numbers from 0 to 44 that can be made from additive combinations of 6, 9 and 20. All numbers higher than 44 can also be made in this way, which leaves 43 as the largest number of chicken nuggets that could not be bought using packs of these size…
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