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anonymous

  • one year ago

Carpet sells for $4 per square foot and will cost you $836 to recarpet your room. If your room is 19 feet long, how many feet wide is it?

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  1. anonymous
    • one year ago
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    @robtobey @rsmith6559

  2. anonymous
    • one year ago
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    find the area of the room first

  3. anonymous
    • one year ago
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    4x=836

  4. anonymous
    • one year ago
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    solve for x

  5. anonymous
    • one year ago
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    209

  6. anonymous
    • one year ago
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    correct

  7. anonymous
    • one year ago
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    so now we have the area of the carpet

  8. anonymous
    • one year ago
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    do remember what the formula is for the area of a rectangle

  9. anonymous
    • one year ago
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    a=wl

  10. anonymous
    • one year ago
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    yep, so plug in the values we know and solve for w

  11. anonymous
    • one year ago
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    so 209=wl

  12. anonymous
    • one year ago
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    we also know the length

  13. anonymous
    • one year ago
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    209=(w)(19)

  14. anonymous
    • one year ago
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    209=(11)(19)

  15. anonymous
    • one year ago
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    good job

  16. anonymous
    • one year ago
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    yay thank!

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spraguer (Moderator)
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