Akhila goes to a fair with Rs. 20 and wants to have rides on the Giant Wheel and play Hoopla. The number of times she played Hoopla is half the number of rides she had on the Giant Wheel. Each ride on the Giant Wheel costs Rs. 3 and a game of Hoopla costs Rs. 4. Represent this situation algebraically and graphically (geometrically).

Answer

`x-2y =0 and 3x+4y=20`