Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.1 Introduction to Algebra - 1.1 Exercise Set: 81

Answer

The sign costs $450.

Work Step by Step

The area of a triangle is $\frac{1}{2}bh$. $A=\frac{1}{2}(3\ ft)(2.5\ ft)=3.75\ ft^2$ $Cost=120\frac{dollars}{ft^2}\times3.75\ ft^2=450 dollars$
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