(c) Let farmer A has ‘x’ hectare land ∴ Total production of A = 20x Farmer B has x + 15 hectare land ∴ Total production of B = (x + 15) × 30 Given that (x + 15) × 30 – 20x = 530 ⇒ 30x + 450 – 20x = 530 ⇒ 10x = 80 ⇒ x = 8. ∴ Total production of farmer A = 20x = 20 × 8 = 160 bushels.