👉 Postage math, often referred to as the "postage problem," is a fascinating area of mathematics that deals with determining the minimum amount of stamp needed to cover a set number of letters, considering their varying weights and dimensions. The problem typically involves calculating the total weight of the letters to be mailed, as each letter has a specific weight, and then finding the smallest number of stamps required to match that weight, taking into account the stamps' varying densities and sizes. This is often solved using combinatorial optimization techniques, such as dynamic programming or greedy algorithms, to efficiently minimize the total cost while ensuring all letters are covered. The challenge lies in balancing the weight distribution among stamps to avoid overloading any single stamp, making it a practical yet intriguing application of mathematical problem-solving.