You want it put edging around a rectangular flower garden that is 15 feet long and 12 feet wide. the edging comes in 3 foot pieces. how many pieces of edging do you need to buy

18 pieces are needed

Step-by-step explanation:

Edgings are put all around the rectangular flower garden. So we need to know the perimeter (sum of all sides) of the rectangle. The formula is:

Perimeter of Rectangle = 2(Length + Width)

Given,

Length = 15

Width = 12

So,

Perimeter = 2(Length + Width)

Perimeter = 2(15 + 12)

Perimeter = 2(27)

Perimeter = 54

So, we need to cover 54 feet. Each edging is 3 feet in length, so 54 feet will be covered by:

54/3 = 18 edgings

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step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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