Elementary Technical Mathematics

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

Chapter 1 - Section 1.8 - Multiplication and Division of Fractions - Exercise: 40

Answer

$16\frac{1}{4}$ hours

Work Step by Step

Each aircraft searched for $3\frac{1}{4}$ hours. Thus, the total number of hours the 5 search planes searched for the missing aircraft is: $\\=5 \times 3\frac{1}{4} \\=5 \times \frac{4(3)+1}{4} \\=5 \times \frac{13}{4} \\=\frac{5(13)}{4} \\=\frac{65}{4} \\=16\frac{1}{4}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.