Big Ideas Math - Algebra 1, A Common Core Curriculum

by Larson, Ron; Boswell, Laurie

Published by Big Ideas Learning LLC

ISBN 10: 978-1-60840-838-2

ISBN 13: 978-1-60840-838-2

Chapter 1 - Solving Linear Equations - 1.2 - Solving Multi-Step Equations - Exercises - Page 17: 35

Answer

At least $12.5$ hours, assuming no taxes or other deductions.

Work Step by Step

Gas station weekly income: $\$8.75 \times30 = \$262.5$ $\$400 - \$262.5 = \$137.5$ $\$137.5 \div \$11 = 12.5$

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