## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Section P.1 - Modeling the Real World with Algebra - P.1 Exercises - Page 6: 22

#### Answer

22. (a) V = 16 000 $in.^{3}$ (b) V = 2$x^{3}$

#### Work Step by Step

22. (a) x = 20 in. Therefore 2x = 2 × 20 in. = 40 in. V = l × w × h = 40 in. × 20 in. × 20 in. = 16 000 $in.^{3}$ (b) V = $2x \times × \times ×$ V = 2$x^{3}$

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