Answer:
Approximately 177 boys
Step-by-step explanation:
Let
x ----> the number of boys
y ----> the number of girls
we know that
[tex]\frac{x}{y}=\frac{7}{9}[/tex]
isolate the variable x
[tex]x=\frac{7}{9}y[/tex] ----> equation A
[tex]y=228[/tex] ----> equation B
substitute equation B in equation A
[tex]x=\frac{7}{9}(228)[/tex]
[tex]x=177.33[/tex]
therefore
Approximately 177 boys
