Chapter 4.5, Problem 20STP

To determine

The cost of the carpet having dimensions 13 feet by 11 feet.

Answer to Problem 20STP

The cost of carpet is $421.85.

Explanation of Solution

Given information: The dimensions of rectangular bedroom are 13 feet by 11 feet. And per square feet cost to purchase carpet for the bedroom is $2.95.

Calculation: With the help of given datathe area of the carpet is evaluated as,

  $\begin{array}{c}\text{Area of carpet}=\left(13\right)\left(11\right)\\ =143{\text{ ft}}^2\end{array}$

Now, cost of 1 square feet carpet is $2.95. Therefore the cost of 143 square feet of carpet is evaluated as,

  $\begin{array}{c}{\text{Cost for 143 ft}}^2\text{carpet}=143\times 2.95\\ =421.85\end{array}$