Question

The perimeter of a rectangle is 254 cm. Its length is 55 cm. Represent the width of the rectangle with a variable and write an equation to solve for the width. Then solve your equation

Answer 1

Answer:

72cm

Step-by-step explanation:

2 (l + w) = 254

2(55) + 2w = 254

2w = 144

w = 72cm

Answer 2

Answer:

Width of rectangle is represented by w and equation to solve is $254=2(55+w)$. The value of width is 72 cm.

Step-by-step explanation:

It is given that perimeter of a rectangle is 254 cm

Length of rectangle is 55 cm.

It is asked to represent the width of rectangle by a variable and find width by writing an equation.

We know that perimeter of a rectangle, $P=2(length+width)$

Let the width of the rectangle be w.

$254=2(55+w)$

$\frac{254}{2}=55+w$

$127=55+w$

$w=127-55=72$

The width of the rectangle is 72 cm.

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