ASAP. right now will be nice

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Find the quotient with the restriction.

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?