Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.4 Rewrite Formulas and Equations - Guided Practice for Example 5 - Page 29: 14



Work Step by Step

Using the formula from the example, if the number of new movies bought is $n_1$ and the number of old movies bought is $n_2$, then $n_1=\frac{12000-3n_2}{5}$. Hence here $n_1=\frac{12000-3(1500)}{5}=\frac{12000-4500}{5}=\frac{7500}{5}=1500$.
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