Q4: Suppose that (many years ago, before the dawn of Permanent stamps) you have stamps of values 5, 8, and 9 cents. Find
Posted: Mon Jul 11, 2022 12:49 pm
Q4: Suppose that (many years ago, before the dawn of Permanent stamps) you have stamps of values 5, 8, and 9 cents. Find, with proof, the largest postage value that you cannot make with your stamps (assuming you have arbitrarily many stamps).