A fruit vendor buys some oranges at the rate of RS 5 per oranges. He also buys an equal number of bananas at the rate of RS 2 per banana. He makes a 20% profit on oranges and a 15% profit on bananas .At the end of the day all the fruits is sold out. His total profit is RS 360 . find the number of oranges purchased​

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.