A rectangular page in a textbook (with width w and length l) has an area of 98in2 , top and bottom margins set at 1 inch, and left and right margins at 1 2 inch. The printable area of the page is the rectangle that lies within the margins. What are the dimensions of the page that maximize the printable area?

Length = 14 in, width = 7 in

Step-by-step explanation:

The area of the page

The length of the printable area is gotten by subtracting the top and bottom margins from the length of the page

The width of the printable area is gotten by subtracting the left and right margins from the width of the page

The area of the printable area is

But ,

Also, from ,

To maximize this area,

Hence,

55

step-by-step explanation:

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation: