Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises: 66

Answer

19 or more additional Senators must vote in favor in order to ratify.

Work Step by Step

$\frac{2}{3}\times100=66.\overline6$ 67 Senators must ratify a treaty. Assume that "a" is the additional Senators who need to vote in favor of the treaty. $a+48\geq67$ $a+48-48\geq67-48$ $a\geq19$
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