Question

there are 20 girls and 15 boys in a class. a) what is the ratio of number of girl to the number of boys?
b)what is the ratio of number of girls to the total number of students in the class? ​

Answer 1

$\displaystyle girls = 20\\boys = 15\\class=35\\\\\\\mbox{A) } ratio = \frac{20}{15}=\frac{4}{3}\\\\\\\mbox{B) } ratio = \frac{20}{35}=\frac{4}{7}$

Answer 2

Resposta:

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