Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 6 - Percent - 6.1 Basics of Percent - 6.1 Exercises - Page 387: 58



Work Step by Step

*This question is listed as 57. in the book, but should be listed as 58.* If she has 300% of the Facebook friends now that she had one month ago, this means that she now has 3 times as many friends as she had last month. Therefore, she now has $3\times28=84$ friends. 300%$=300\div100=3$ $28\times3=84$ friends
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