Answered: A textbook contains 255 pages. How many…

A textbook contains 255 pages. How many times in the book are odd integers used in the tens digit place of the page numbers?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

A textbook contains 255 pages. How many times in the book are odd integers used in the tens digit place of the page numbers?

how would I go about solving this without counting? I'd like to use properties of odd/even numbers and simple calcu

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