Sanjaya is making punch. He uses LaTeX: \frac{1}{3}1 3 c of pineapple juice for every LaTeX: \frac{3}{4}3 4 c of orange juice. How many cups of pineapple juice does he need if he uses 3 c of orange juice? Show your work (psst...Make sure you label or it will be marked wrong).

cups of pineapple juice .

Step-by-step explanation:

Equation of direct proportion between x and y:

As per given,

Let x = quantity of pineapple juice and y = quantity of orange juice.

 , ,  

Put these values in an equation we get

Hence, he needs cups of pineapple juice .

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.