marleenmourad
marleenmourad marleenmourad
  • 24-02-2022
  • Mathematics
contestada

I’ll give brainliest to whoever helps me with this.

Ill give brainliest to whoever helps me with this class=

Respuesta :

hopethishelps hopethishelps
  • 24-02-2022

Answer:

C(w) = w + 1520

Step-by-step explanation:

The perimeter of a rectangle is when you add all the sides together.

Let's say w=width and l=length.

Perimeter = 2w + 2l --> Perimeter = 380

380= 2w + 2l

Now create the cost equation.

C(w) = 9*2w + 8*2l.

We want the equation in terms of l so modify the first equation so we can plug it into the second.

380-2w=2l  ---> Divide both sides by two.

190-w = l ---> Now plug into cost equation.

C(w) = 18w + 16(190-w)

C(w) = 18w + 3040 - 16w

C(w) = 2w + 3040

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