The top and bottom margins of a poster are each 15 cm and the side margins are each 10 cm. The area of printed material on the poster is fixed at 2400 cm2. Find the dimensions of the printed area that minimize the area of the whole poster. width 90 height 60 x cm ✓ cm

The top and bottom margins of a poster are each 15 cm and the side margins are each 10 cm. The area of printed material on the poster is fixed at 2400 cm2. Find the dimensions of the printed area that minimize the area of the whole poster. width 90 height 60 x cm ✓ cm

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter4: Polynomials

Section4.9: Area Problems

Problem 1OE

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Question

the answer for the width is not 90.

The top and bottom margins of a poster are each 15 cm and the side margins are each 10 cm. The area of printed material on the poster is fixed at 2400 cm². Find the dimensions of the printed area that minimize the area of
the whole poster.
width
90
height 60
X cm
cm

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