Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-9 Percents - Practice and Problem-Solving Exercises: 22

Answer

\$6.30

Work Step by Step

The markup is $a=p\%\times b $ substitute $a=0.4\times4.50$ multiply $a=1.8$ The sale price is the cost plus the markup $4.50+1.80=6.30$
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