Solve the given system of equations graphically. For each problem, identify all solutions and provide basic sketches of the graphs with identifying features (e. g., intercepts, intersection points, etc.).
3x + y = 20
x - 2y = 10

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?