The owner of a shop wishes to buy x guitars and y violins. To satisfy the demands of his customers, the number of violins must be less than or equal to the number of guitars. Write an inequality to represent this information. (1 mark) The cost of one guitar is $150 and the cost of one violin is $300. He has $4 500 to spend on the purchase of these instruments. (ii) Write an inequality to represent this information. (2 marks) To get a good bargain, the owner of the shop must buy at least 5 violins. (iii) Write an inequality to represent this information. (1 mark)