The sum of the distances between two hikers walked is 53 mi, and the difference is 25 mi. where are the distances

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

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?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14