Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.12 - Multiplication and Division of Decimal Fractions - Exercises - Page 72: 33


80 threads per inch

Work Step by Step

Substitute the pitch for p and solve for n. $p=\frac{1}{n}$ $0.0125=\frac{1}{n}\longrightarrow$ multiply both sides by n $0.0125n=\frac{1}{n}\times n$ $0.0125n=1\longrightarrow$ divide both sides by 0.0125 $0.0125n\div0.0125=1\div0.0125$ $n=80$
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