Malachy, a market trader, buys apples at a wholesale price of 0.80 pounds per kg and sells them at 1.35 pounds per kg.
(a)Calculate his profit per kg.(1)
(b)Calculate his profit as a percentage of the wholesale price, giving your answer to 1 decimal place.(2)
(c)One day Malachy buys 45 kg of apples, but 20% of them are damaged and cannot be sold. He sells the rest at 1.35 pounds per kg. Calculate his total profit for the day (income from sales minus the cost of all 45 kg bought).(3)
(Total for Question 26 is 6 marks)