How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 21OE
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Question
How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
a. 21
b. 27
c. 16
d. 9
e. 5
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