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Pre-Algebra

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I need help with scales, please!

Q: You are making a scale drawing of a room using a scale of 1-inch:4-feet.
a) The room is 14 feet by 18 feet. Find its dimensions in the drawing.

b) A sofa in the room has a lenght of 6 feet. Find the length of the sofa in the drawing.

Thank you!!!!!!

  • Pre-Algebra - ,

    One way to solve these problems is to set up a proportion.

    1/4 + x/14
    Cross multiply and solve for x.
    4x = 14
    x = 14/4
    x = 3.5

    Solve the others the same way.

  • Pre-Algebra - ,

    Thank you so much! It makes sense now!

  • Pre-Algebra - ,

    You're very welcome.

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