Basic College Mathematics (10th Edition)

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

Chapter 10 - Statistics - Summary Exercises - Graphs - Page 726: 11

Answer

China: $1.2 \ billion $ US: $ .47 \ billion $

Work Step by Step

We are told that 11% of the population lives in China and 4.5% of the population lives in the US. Multiplying the percents as decimals by the total population, we find the population of each country: China: $$ = .11 \times 10.5 \ billion \\ = 1.2 \ billion $$ US: $$ = .045 \times 10.5 \ billion \\ = .47 \ billion $$
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