Question

Please I need help with just 1 and 2 please!!!

Answer 1

The ratio of girls to boys is:
$\frac{number \: of \: girls}{number \: of \: boys} = \frac{10}{15} = \frac{2}{3}$
the ratio of striped ties to to solid ties is:
$\frac{number \: of \: striped \: ties}{number \: of \: solid \: ties} = \frac{7}{21} = \frac{1}{3}$