Answer
97 teachers are needed for 1850 students.
Work Step by Step
$\frac{19\ students}{1\ teacher} = \frac{1850\ students}{x\ teachers}$
$19x = 1\times1850$
$\frac{19x}{19} = \frac{1850}{19}$
$x = 97$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 5 - Ratio and Proportion - 5.5 Solving Application Problems with Proportions - 5.5 Exercises - Page 365: 30
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