Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.5 Dividing Whole Numbers - 1.5 Exercises: 71

Answer

Suppose we have a division problem $\frac{p}{q} = n$ with remainder $R$. To check if the answer is correct, we have to check whether $p-R = q \cdot n$ or not.

Work Step by Step

Suppose we have a division problem $\frac{p}{q} = n$ with remainder $R$. To check if the answer is correct, if $R = 0$, we can just check whether $p = q\cdot n$ or not. If $R$ is not $0$, we should subtract $R$ from $p$ (since $R$ is what remains from $p$ in the divison process) and check whether $p-R = q \cdot n$ or not.
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