# algebra

posted by
**Anonymous**
.

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