The science club sponsors order in caps and shirts for the boys and girls and science club their 45 science club members if the caps come in packages of three in the shirts come in packages of five what is the least number of packages of caps and shirts that will be ordered

The least number of packages for the caps is 15 because if the caps come in packages of three then you divide 45 by 3 that's how you get 15 caps and the least number of packages for shirts is 9 because if there's five in each package then you divide 45 by 5 which gives you nine. That's how you find the least number of caps and shirts.