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Shelly is planting grass seed in her backyard, as shown by the shaded part of the model.
15 ft
Shelly will use 1 pound of grass seed for every 125 11?
How much grass seed will she need?
15 ft
20 ft
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10 ft
10 ft
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20 ft
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raphealnwobi

Shelly would need 5 pounds of grass seed to plant in her backyard.

What is an area?

Area is the amount of space occupied by a two dimensional shape or figure.

From the image:

Area of the backyard = (10 + 15) * (10 + 20) = 750 ft²

Area of triangle = (1/2) * 10 * 10 = 50 ft²

Area of small rectangle = (25 - 20) * (30 - 15) = 75 ft²

Area of shaded part = 750 - 50 - 75 = 625 ft²

1 pound of grass seed covers 125 ft², for 625 ft²:

Amount of seed = 625 ft² * 1 pound per 125 ft²  = 5 pound

Shelly would need 5 pounds of grass seed to plant in her backyard.

Find out more on area at: https://brainly.com/question/25292087

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