[tex]\frac{9}{20}[/tex] of the class consists of freshmen.
Step-by-step explanation:
Given,
Total number of students = 40
Number of freshmen = 18
Number of sophomores = 19
Number of juniors = 3
Fraction of freshmen = [tex]\frac{Number\ of\ freshmen}{Total\ number\ of students}[/tex]
Fraction of freshmen = [tex]\frac{18}{40}[/tex]
Fraction of freshmen = [tex]\frac{9}{20}[/tex]
[tex]\frac{9}{20}[/tex] of the class consists of freshmen.
Keywords: fraction, division
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