Chapter 12.3, Problem 30STP

To determine

To find: Area difference of two bedroom

Answer to Problem 30STP

  $40uni{t}^2$

Explanation of Solution

Given: Dimensions of bedroom are given

Formula: $\text{Area of rectangle=l×b}$

Calculation:

  $\begin{array}{l}{\text{Area of 1}}^{\text{st}}\text{ bedroom=11×10}\\ {\text{=110unit}}^{\text{2}}\\ {\text{Area of 2}}^{\text{nd}}\text{ bedroom=12×14}\\ {\text{=168unit}}^{\text{2}}\\ \text{Area of closet=6×3}\\ {\text{=18unit}}^{\text{2}}\end{array}$

  $\begin{array}{l}\text{area difference of two bedroom=(168-18)-110}\\ {\text{=40unit}}^{\text{2}}\end{array}$