Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.1 Solving Linear Equations - 1.1 Exercises: 31

Answer

a. $C=5.29(x) + 400$ b. 929 dollars c. 160 proofs

Work Step by Step

a. $x=number of proofs$ $C=cost$ $C=5.29(x) + 400$ b. $C=5.29(100) +400$ $C=529+400$ $C=929$ c. $C=1250$ $1250=5.29(x)+400$ $1250-400=5.29(x)$ $850=5.29(x)$ $850\div5.29=x$ $x=160.68$ $x=160$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.