Answer
20
Work Step by Step
In order to solve this problem, cross out any number that occurs in both the numerator and the denominator. This gives:
5*4
20
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Practice and Problem-Solving Exercises - Page 759: 50
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