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Mr. Richardson would like to build a planter surrounded by a brick path (show in gray). How many square feet of brick does Mr. Richardson need? 20ft and 8 ft inside the planter 24ft and 12ft of path

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MrRoyal

Answer:

128 ft^2 needed

Step-by-step explanation:

Given

See attachment for missing details

Required

Determine the number square feet needed

First, calculate the inner area (A1)

[tex]A_1 = Length * Width[/tex]

[tex]A_1 = 20ft * 8ft[/tex]

[tex]A_1 = 160ft^2[/tex]

Next, calculate the outer area (A2)

[tex]A_2 = Length * Width[/tex]

[tex]A_2 = 24ft * 12ft[/tex]

[tex]A_2 = 288ft^2[/tex]

The area of the planter is:

[tex]Area = 288ft^2-160ft^2[/tex]

[tex]Area = 128ft^2[/tex]

Hence, he needs 128 square feet

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