Answer
$x\geq 12$ dollars per hour.
Work Step by Step
Let the earnings of Bianca per hour be $x$.
She earns no less than 12 dollars per hour can be translated as:
$x$ is greater than or equal to 12.
$x\geq 12$ dollars per hour.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 2 - Equations, Inequalities, and Problem Solving - 2.7 Solving Applications with Inequalities - 2.7 Exercise Set - Page 140: 21
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