Julie brought 24 apples to school to share with her classmates. Of those apples, 2/3 are red, and the rest are green. Julie's classmates ate 3/4 of the red apples and 1/2 of the green apples. How many apples are left?

from the given info

you can know that there were 16 red ones. (2/3) * 24

and 8 green apples

and her classmates ate 3/4 of red ones i. e.

(3/4) * 16

=12

and 1/2od green

i. e.

(1/2) * 8

=4

and now the total eaten apples

= 12+4

=16

and the remaining number are

24-16

=8