Answer
36 students
Work Step by Step
If 1 in 3 were out sick, 2 in 3 were left. Assume that s is the number of students.
$\frac{2}{3}=\frac{24}{s}$ cross multiply
$2s=72$ divide both sides by 2
$2s\div2=72\div2$ simplify
$s=36$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-7 Solving Proportions - Standardized Test Prep - Page 129: 61
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