the carpet at the right has perimeter 320 feet. What are the dimensions of the carpet.
13) let x=width of the carpet. Then l=length of the carpet.
14) use the formula for perimeter of the rectangle, p=2w+2L. Write an equation for the perimeter of the carpet.
15) solve for x.

Question

the carpet at the right has perimeter 320 feet. What are the dimensions of the carpet.
13) let x=width of the carpet. Then l=length of the carpet.
14) use the formula for perimeter of the rectangle, p=2w+2L. Write an equation for the perimeter of the carpet.
15) solve for x.

anonymous · Answer

|dw:1408912344617:dw|

anonymous · Answer

@Lyssa123 
@radar 
@Preetha 
@lovelyharmonics 
@prosper2go

calculusxy · Answer

The formula: 2w+2l=p will be super helpful here.

If the width is x and the length is three times of x, and we put them on the appropriate dimensions, you will have 6x (the total length dimension 3x+3x) and 2x (x+x). Is that clear so far?

calculusxy · Answer

2x+6x=320 
8x=320
x=40

anonymous · Answer

$$p=2w+2l$$
$$l=3x$$
$$w=x$$

If you substitute you get:
$$p=2(x)+2(3x)$$
Then you can just simplify.

anonymous · Answer

Thanks so much to @calculusxy ,@akeith15 . (: Medal was given.

anonymous · Answer

@akeith15

calculusxy · Answer

You're welcome :)

anonymous · Answer

Can i ask help for another question? @calculusxy

calculusxy · Answer

Okay I will try. But make a new post or the thread will be long.

calculusxy · Answer

And mention me .

anonymous · Answer

okay ill tag you in it