The length of a rectangle is three times longer than its width. the perimeter of the rectangle is 16 feet. if x represents the width of the rectangle, which equation can be used to find its value.
a 3x + x = 16
b (3x)(x) = 16
c 3x + 3x + x + x = 16
d 3x + 3x + x = 16

Option c is correct

an equation can be used to find its value is:

Step-by-step explanation:

Perimeter of a rectangle is given by:

       .....[1]

where

P is the perimeter of a rectangle

l is the length of the rectangle

w is the width of the rectangle.

As per the statement:

The length of a rectangle is three times longer than its width.

Here, x represents  the width of the rectangle.

⇒              .....[2]

It is also given that: The perimeter of the rectangle is 16 feet

⇒ feet.

Substitute the given values in [1] we have;

⇒

or

Therefore, an equation can be used to find its value is:

step-by-step explanation:

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step-by-step explanation:

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