Ravi and Prakesh are selling fruit for a college fundraiser. Customers can buy small boxes of apples and large boxes of apples. Ravi sold 4 small boxes of apples and 5 large boxes of apples for a total of ₹102. Prakesh sold 7 small boxes of apples and 9 large boxes of apples for a total of ₹182. The cost of two small box of apples is: