Answer:
3.) 40
4.) 14/27
5.) 1/8
Solution:
3.) If four fifths are boys in a class of 50, how many boys are there
[tex]50[/tex] × [tex]\frac{4}{5} = \frac{200}{5}[/tex] = 40
4.) What is 7/9 of 2/3?
[tex](\frac{2}{3})(\frac{7}{9} ) = \frac{2(7)}{3(9)} = \frac{14}{27}[/tex]
5.) What is the product of 1/2 and 1/4
[tex](\frac{1}{2} )(\frac{1}{4} )=\frac{1(1)}{2(4)} = \frac{1}{8}[/tex]
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