Let the price of the chair be ₹ x. Price of tables =₹y According to the question: 5x+2y=1350 2x=y By substituting the value of y in equation (1): 5x+2y=1350 ⇒5x+2×2x=1350 ⇒5x+4x=1350 ⇒9x=1350 ∴x=150 cost of one chair =₹150 Cost of one table = 2 (150) = ₹ 300 Cost of one chair and one table =150 + 300 = ₹ 450