Rekha has to cover a board in her class with a piece of red paper. The board is rectangular in shape. The length of the board is 7 units more than thrice its breadth. Answer the following. a. If the breadth is p, find the rule for finding the area of the piece of red paper that Rekha needs to cover the board with. b. Usethe rule to find the required area of the paper, given that the breadth of the board is 40 cm.

Rekha has to cover a board in her class with a piece of red paper. The

1.	Rekha has to cover a board in her class with a piece of red paper. The board is rectangular in shape. The length of the board is 7 units more than thrice its breadth. Answer the following. a. If the breadth is p, find the rule for finding the area of the piece of red paper that Rekha needs to cover the board with. b. Usethe rule to find the required area of the paper, given that the breadth of the board is 40 cm.
Answer» ANSWER :(a) `p XX (3p+7)` SQUARE units. (b) 5,080 square units