PLS HELP What is the quotient?

2 and one-fifth divided by negative StartFraction 1 over 10 EndFraction
–22
Negative StartFraction 11 over 50 EndFraction
StartFraction 11 over 50 EndFraction
22

What is always true when two whole numbers are subtracted?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

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?