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Paolo is putting a fence around his pool. The length of the pool is 20 feet, the width is (20-x) feet, and the area of the pool is 300 square feet. Recall that area is length multiplied by width. The equation below models the area of the pool.

20(20-x)=300

What is the value of x? Round to the units place.
5
8
15
35

Respuesta :

emariialex
300/20= 15. 
20-x=15
x=5

As per linear equation, the value of 'x' is 5.

What is a linear equation?

"A linear equation is an equation in which the highest power of the variable is always 1."

The given linear equation is:

[tex]20(20-x)=300[/tex]

⇒ [tex]400-20x = 300[/tex]

⇒ [tex]20x = 400-300[/tex]

⇒ [tex]20x = 100[/tex]

⇒ [tex]x = \frac{100}{20}[/tex]

⇒ [tex]x = 5[/tex]

Learn more about linear equation here: https://brainly.com/question/16026650

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