khya2956 khya2956
  • 24-08-2021
  • Mathematics
contestada

I need help with this problem.

How do I do it?

I need help with this problem How do I do it class=

Respuesta :

tanner23456
tanner23456 tanner23456
  • 24-08-2021

Answer:

20

Step-by-step explanation:

For the area of a rectangle we use A = L* W

We know area or A = 420

and we know length or L = 21

Now we need to find the width or W

(420) = (21) * W

Divide both sides of the equation by 21 to isolate the variable.

That leaves us with:

W = 20

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