Answer
$y$ will decrease two times
Work Step by Step
If $y$ varies inversely to $x$ ($y=\frac kx$) and $x$ is doubled, then $y$ will decrease two times.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 3 - Section 3.6 - Variation - 3.6 Exercises - Page 369: 49
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