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Temka [501]
3 years ago
6

Marks books has an area of 48 in.². The perimeter of the book is 52 inches. what are the dimensions of the book

Mathematics
1 answer:
quester [9]3 years ago
6 0

Answer:

dimensions of the book are 2 in. by 24 in.    

Step-by-step explanation:

I assume the book is a rectangle

Let w = the width

     l = the length

A = lw = 48         P = 2w + 2l = 52

                                   w + l = 26

                                          l = 26 - w

w(26-w) =48

26w - w^{2} = 48

w^{2}  - 26 w + 48 = 0

(w-2)(w -24) =  0

w = 2    or   w = 24

                           if w = 2, then l = 26 - 2 = 24

                           if w = 24, then l = 26 - 24 = 2

So, the dimensions of the book are 2 in. by 24 in.    

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