victorhuazano10 victorhuazano10

03-10-2020
Mathematics

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The cover of a rectangular book has an area of 20 inches . If the books length is 3 times as long as it’s width explain how to find the exact perimeter of the book cover.

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Izuku0909 Izuku0909

03-10-2020

Answer:

Step-by-step explanation:

If the books length (L) is three times as long as the width (W), the equation for area is this:

L · W = 20 inches,

3W · W = 20 inches - substituting L for 3W

So then the books perimeter is

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