Answer:
19.2 cups of onion
Explanation:
Given a salsa recipe uses green pepper, onion, and tomato in the extended ratio 4:5:6, how many cups of onion are needed to make 72 cups of salsa?
4x + 5x + 6x = 72
⇒ 15x = 72
⇒ x = 72 ÷ 15
⇒ x = 4.8
Onion: 4x = 4 x 4.8 = 19.2 cups