Chapter 7 Percent Worksheet With Answers Page 18
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477.2
Solving Percent Problems Using Percent Equations
and Proportions
Method 1: PERCENT EQUATIONS (review)
4. Solve percent equations to find the base
e.g.9 CLOSED CLASSES On the first day of classes, 36
of the algebra sections offered by a college
mathematics department were closed. If this
represented 72% of all sections of algebra, what is
the total number of algebra sections offered that
semester?
Ans. 50 sections
18
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