Shirley wants to make donuts she needs 2 ounces of jelly to make donuts jelly comes and 8 ounce jars if she wants to make 20 donuts how many jars does she need to buy

Shirley needs a total of 40 ounces of jelly to make 20 donuts (2 ounces per donut x 20 donuts = 40 ounces). Since jelly comes in 8-ounce jars, she would need to buy 5 jars of jelly.