Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2: 73

Answer

In the year 2000 there were 341 millions of English language speakers.

Work Step by Step

Let X represent the number of speakers of the English language in the year 2000, in millions. Three times the speakers of the English language means 3X 149 million less than three times the speakers of the English language means 3X - 149. In the year 2000 there were 874 million speakers of the Chinese Mandarin language. So, we obtain: 3X - 149 = 874 Add 149 to both sides 3X = 1023 Divide both sides by 3 X = 341
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