A rectangular page is designed to contain 121 square inches of print. The margins at the top and bottom of the page are each 2 inches deep. The margins on each side are 12 inches wide. What should the dimensions of the page be so that the least amount of paper is used? Step 1 Let x be the width of the page. Let y be the height of the page. Let A be the total area of the page. Write an equation for A in terms of x and y. A =xy xy Step 2 Use the information in the problem to write the total print area in terms of x and y. (x-3)(y-4) 121 = (x – 3) (y – 4) Step 3 Solve your result from the previous step for y in terms of x. Simplify. Submit Skip (you cannot come back)

A rectangular page is designed to contain 121 square inches of print. The margins at the top and bottom of the page are each 2 inches deep. The margins on each side are 12 inches wide. What should the dimensions of the page be so that the least amount of paper is used? Step 1 Let x be the width of the page. Let y be the height of the page. Let A be the total area of the page. Write an equation for A in terms of x and y. A =xy xy Step 2 Use the information in the problem to write the total print area in terms of x and y. (x-3)(y-4) 121 = (x – 3) (y – 4) Step 3 Solve your result from the previous step for y in terms of x. Simplify. Submit Skip (you cannot come back)

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

Tutorial Exercise
A rectangular page is designed to contain 121 square inches of print. The margins at the top and bottom of
the page are each 2 inches deep. The margins on each side are 12 inches wide. What should the dimensions
of the page be so that the least amount of paper is used?
Step 1
Let x be the width of the page. Let y be the height of the page. Let A be the total area of the page. Write an
equation for A in terms of x and y.
A xy
xy
Step 2
Use the information in the problem to write the total print area in terms of x and y.
(x-3)(y-4) (r- 3) (y – 4)
121 =
Step 3
Solve your result from the previous step for y in terms of x.
Simplify.
Submit
Skip (you cannot come back)

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