Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapter 2 Test - Page 90: 24


David had $5n+10d+25q$ cents.

Work Step by Step

We multiply $10$ by $d$ because each dime is worth $10$ cents, multiply $5$ by $n$ because each nickel is worth $5$ cents, and multiply $25$ by $q$ because each quarter is worth $25$ cents. We then must add these three terms to get the total number of cents that she has in her bank: $5n+10d+25q$.
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