A salsa recipe uses green pepper, onion, and tomato in the extended ration 1:3:4. How many cups of onion are needed to make 72 cups of salsa?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )