How is 1/9 proportional to 1/4 and 1/5?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Iwill give you ! what is the measure of ∠v ?

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?