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Answer :

SOLUTION

The total number of student in the class is 40

The fraction of boys in the class is

[tex]\frac{2}{5}[/tex]

Let the number of the Boys in the classroom be Y

Hence Y

[tex]\begin{gathered} Y=\frac{2}{5}\times40 \\ Y=2\times8=16 \end{gathered}[/tex]

Therefore the number of the Boys in the classroom is 16