Answer
$c=1/5 $
Work Step by Step
We first add 4c to both sides to get that $4+10c=6$. We then subtract 4 on both sides to get that $10c=2$. We finally divide by 10 to get that $c=2/10$, which equals 1/5.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises - Page 129: 68
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