Question

A rectangular room is 2 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room.

Answer 1

6 m by 8 m

Explanation:

The sum of two adjacent side lengths is half the perimeter, so is 14 meters. Two numbers differing by 2 that have a sum of 14 are half that total plus or minus have the difference: 7 ±1 = 6 and 8.

The room is 6 meters wide and 8 meters long.