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arr7231

  • 2 years ago

Evan is landscaping his backyard. The yard is shaped like a rectangle and measures 80 feet by 70 feet. He wants to spread topsoil evenly over the entire surface. One load of topsoil will cover 400 square feet, 4 inches deep. How many loads of dirt does Evan need in order to cover his entire yard?

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  1. Mertsj
    • 2 years ago
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    What is the area of the yard?

  2. Mertsj
    • 2 years ago
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    arr???

  3. Mertsj
    • 2 years ago
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    Are you sure about that wolfe?

  4. mathmate
    • 2 years ago
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    @wolfe "subtract"?

  5. arr7231
    • 2 years ago
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    if i do BxH i get 5600 so then subtract the 400 and get 5200!

  6. Mertsj
    • 2 years ago
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    You need to cover 5600 square feet. Each load covers 400 square feet. divide 5600 by 400 to see how many loads are needed.

  7. arr7231
    • 2 years ago
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    but my answer options are 14 16 18 20 ??

  8. Mertsj
    • 2 years ago
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    Choose the first one.

  9. arr7231
    • 2 years ago
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    thanks!

  10. mathmate
    • 2 years ago
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    @wolfe you're right, we can divide by repeatedly subtract, but that's reserved for grade school where they have not yet learned division.

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