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The formula P=2(l + w)relates the perimeter P, in decimeters, with the length and width of a rectangle.
Solve the formula for w.
1.w=2P-L
2.w=P/2+L
3.w=P/2-L
4.w=2P+L

Respuesta :

mhanifa

Answer:

3. w=P/2-L

Step-by-step explanation:

Given formula:

  • P=2(l + w)

Solving for w:

  • P=2(l + w)
  • P/2 = 2(l + w)/2
  • P/2 = l + w
  • P/2 - l = l + w - l
  • P/2 - l = w
  • w = P/2 - l

Correct answer choice is:

  • 3. w=P/2-L

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