A company that manufacture jigsaw puzzles is shipping an order for 664 puzzles to a store the company can pack 32 puzzles in each carton how many cartons are needed to ship this order
as 664 divided by 32 is 20.75 and you can not have a 0.75 container you would need to have 1 container instead of 0.75 and since 20 + 1 = 21 that is 21 cartons