Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Practice and Problem-Solving Exercises - Page 150: 44

Answer

11 boxes

Work Step by Step

We first figure out how many pencils the teacher needs. The teacher has 125 students and needs two pencils a student, so we multiply 125 by 2 to get 250 pencils total. We divide 250 by 24 to get just over 10 boxes. Because the teacher needs every student to have two pencils, however, the teacher cannot just buy 240 pencils, so the teacher needs to buy 11 boxes.
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