Question

if a classroom contains 35 students,2/5 of which are girls, then how many boys in the class?

Answer 1

Well... 2/5 of 35 is 14.
With this information we can determine the final answer. This means 21 students are boys.
Your answer is 21.

Have a nice night!
~Brooke

Answer 2

$\frac{2}{5}$ = 0.4

35×0.4=14

35-14=21