Molly buys and sells apple in Mthatha. A box of apples cost R200. Each boc carries five dozen,and she sells each apple at R5. The stall that she uses to sell the fruits is controlled by municipality and the rent is R550 per month. Electricity cost is R200 per month and water is charged at R15 per kilolitre that she uses. 2.1 Calculate the number of apples in each box.