Mrs. Johnson is decorating her rectangular kitchen with wallpaper

border. The dimensions of her kitchen are 12 feet by 14 feet. How

many feet of border does she need to go around her entire kitchen?

Select one:

52 feet

168 feet

42 feet

o

O

42 teet

26 feel

26 feet

Mrs. Johnson needs 52 feet of wallpaper border to cover her entire kitchen.

Step-by-step explanation:

Mrs. Johnson is decorating her rectangular kitchen with wallpaper border and the dimensions of her kitchen are 12 feet by 14 feet.

We are asked to find the amount of wallpaper border needed to cover the entire kitchen.

Since the kitchen is rectangular in shape, we can use the formula for perimeter of rectangle that would give us the required amount of wallpaper border for the rectangular kitchen.

The perimeter of a rectangular shape is given by

P = 2(W + L)

or

P = 2W + 2L

Where W is the width and L is the length.

We are given width = 12 feet and Length = 14 feet

So the perimeter is

P = 2×12 + 2×14

P = 24 + 28

P = 52 feet

Therefore, Mrs. Johnson needs 52 feet of wallpaper border to cover her entire kitchen.

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step-by-step explanation: