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
$4.50+1.80=6.30$
Algebra 1
by Hall, Prentice
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 - Page 141: 22
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