Question

selling prices of homes can depend on several factors such as size and age the table shows the selling price these data may be modeled by the equation P=a+ba+cs
Price (P) Age (A) Size(S)
190 20 2
320 5 3
50 40 1
(a) write system of linear equations whose solution gives a, b, c.
(b) Solve the system
(c) Pridict the price of a home that is 10 years old and has 2500 square feet