# math

posted by .

A FARMER BUILT A PEN FOR HIS FAVORITE PIG. THE PEN SHOWN BELOW HAS AN AREA OF 50 SQUARE FEET.THE PEN IS TWICE AS WIDE AS IT IS LONG AND HAS A PERIMETER OF 30 FEET. WHAT IS THE LENGTH, IN FEET OF THE PEN.

• math -

P = 2L + 2W

30 = 2L + 4L

30 = 6L

5 = L

2 * 5 = W

• math -

W=10

## Similar Questions

1. ### MATH

A rectangle pen for a pet is 5 feet longer than it is wide. Give possible values for the width W of the pen if its area must be between 266 and 750 square feet, inclusively. The width of the pen from the smaller value of the width …
2. ### evaluating a math question

a Rectanglular pen for a pet is 5 feet longer than it is wide. give possible values for the width W of the pen if its area must be between 176 and 760 square feet inclusively. The width of the pen ranges from the smaller value of the …
3. ### math

A retangular pen for a pet is 5 feet longer than it is wide. Give possible values for the width. W of the pen if its area must be between 176 and 750 square feet inclusively. The width of the pen ranges from the smaller value of the …
4. ### Math

Brenda is building a rectangular pen for her dog. She has enough fencing to build the pen so that it has a perimeter of 36 feet. She wants the pen to have an area of 65 ft2. What are the dimensions of the dog pen?
5. ### math

Suppose you want to build an outdoor rectangular pen enclosed by fencing for a pet. You want the pen to have an area of 64 square feet. Write and post one set of dimensions that could be used for the pen, along with the perimeter of …
6. ### Math

Trina has \$1000 to purchase an open-top cylindrical dog pen in her backyard. She wants the height of the pen to be 5 feet. If the pen costs \$1 per square foot, what is the biggest pen (in terms of the radius) that she can afford?
7. ### Math

A farmer wants to construct a pen with 100 feet of fencing. The pen will be divided into two areas as shown below. Find the maximum dimensions of the big pen. All I have so far is that 3x+2y=100. I am not sure how to move forward.
8. ### math

david wants to build a pen for his goat. he wants the area of the pen to be 48 square feet. if the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen - p = 26 ft - p = 28 ft - p …
9. ### Math

David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen?
10. ### Math

You are designing a rectangular dog pen off the back of your house. The House will form one side of the dog pen. The pen is to have an area of 800 ft.² but you want to minimize the amount of fencing that you need for the three sides …

More Similar Questions