Koolkatkalaidn
Answered

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The equation P= 2l + 2w models the perimeter, P, of a rectangle with a length of / units and a width of w units.
A rectangle has perimeter of 60 units and a length that is double its width.
What is the width in units
of the rectanale?

Sagot :

Answer:

width = 10 units

Step-by-step explanation:

Given : l = 2w

P = 2l + 2w

P = 2(2w) + 2w

60 = 6w

w = 10 units
  • Width be x
  • Length be 2x

[tex]\\ \rm\rightarrowtail 2(2x+x)=60[/tex]

[tex]\\ \rm\rightarrowtail 2(3x)=60[/tex]

[tex]\\ \rm\rightarrowtail 3x=30[/tex]

[tex]\\ \rm\rightarrowtail x=10[/tex]

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