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The length of a rectangle is 3 times its width. The rectangle’s width is 4 m. What is the area of the rectangle? Enter your answer in the box. m²

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Answer: 48m²

Step-by-step explanation:

We can set up  an equation to find the length. Once we have the length, we can multiply it with the width to get out area.

[tex]l=3w[/tex]

[tex]w=4[/tex]

Now that we have our length and width, we can plug in width into our length and find the area.

[tex]l=12m[/tex]

[tex]w=4m[/tex]

[tex]A=12m*4m=48m^2[/tex]

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