Ink cartridges weigh 1/8 pound. The total weight of the cartridges in a box is 4 1/2 pounds. How many cartridges does the box contain?

Respuesta :

4 1/2 is 9/2 as an improper fraction, then dividing that by 1/8 (same as multiply by 8) is 72/2 or 36 cartridges.