Basic College Mathematics (9th Edition)

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

Chapter 5 - Ratio and Proportion - Review Exercises: 39

Answer

Ans: 3299 students out of total 8247 students are expected to vote.

Work Step by Step

Let's assume the x is the number of students expected to vote. Now, we will write the proportion for the given details $\frac{4 }{10} = \frac{x}{8247}$ so. $ 4\times 8247= x\times 10$ (cross multiply) Now divide both sides by 10. $\frac{32988}{10} = \frac{10 x}{10}$ $ x = 3298.8 \approx 3299$ 3299 students out of total 8247 students are expected to vote.
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