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MathematicsMathematics
9 July, 11:38

4x4

Bonus:

Tira is designing a rectangular room. She wants the room

to be 20 feet wide. What length must the room be if she

needs a perimeter of 60 feet?

a) Write an equation for Tira to find the length of the

room x. (remember, perimeter is the sum of all of the sides!)

equation:

b) Solve for the length of the room x.

+5
Answers (1)
  1. 9 July, 15:36
    0
    60=2 (20) + 2x

    x=10

    Step-by-step explanation:

    First, let's write some equations. I wrote 60=2 (20) + 2x, where x is the length of the room. To solve, first multiply 2 times 20 for 40 (60=40+2x). Then, I subtracted 40 from both sides (20=2x). Finally, I divided on both sides by 2 (10=x).
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Home » Mathematics » 4x4 Bonus: Tira is designing a rectangular room. She wants the room to be 20 feet wide. What length must the room be if she needs a perimeter of 60 feet? a) Write an equation for Tira to find the length of the room x.
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