2. () Given that a b means Ja+4b , where the positive root i takn,detemine O the value of I 2 (2 marks) (H) whether the operation denoted by * is commutative. Justify your answer. (b) 0 Solve the inequality 3-2x> 5. (2 marks) (i) Represent your answer in (b) () on the number line shown below. (I mark) Statement one: Two adult tickets and three children tickets cost $43.00. Statement two: One adult ticket and one ticket for a child cost S18.50. (c) O Letxrepresent the cost of an adult ticket and y the cost of a ticket for a child. Write TWO equations in x and y to represent the information above. (2 marks) (i) Solve the equations to determine the cost of an adult ticket.

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