A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 4 years ago

A rectangle garden, 42 feet by 20 feet, is surrounded by a walkway of uniform width. If the total area of the garden and walkway is 1248 square feet, the sidth of the walkway is ________.

  • This Question is Closed
  1. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1328732549824:dw| A rectangle garden, 42 feet by 20 feet, is surrounded by a walkway of uniform width. If the total area of the garden and walkway is 1248 square feet, the sidth of the walkway is ________.

  2. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1328732630493:dw|

  3. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    (20+2x)(42+2x)=1248 Can you solve that?

  4. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    when I solve it I get 296.5. i dont think that's right because that's not one of my choices.

  5. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Well let's see then.

  6. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[840+124x+4x^2=1248\]

  7. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[4x^2+124x-408=0\]

  8. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[x^2+31x-102=0\]

  9. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[(x+34)(x-3)=0\]

  10. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[x=-34 or x=3\]

  11. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    We should discard -34 because a width of a walk would not be negative.

  12. Mertsj
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    So x=3 and the width of the walk is 3

  13. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.