how many boys and girls are there at the bar-b-que

Question

100 students at end of year barbeque 

ratio is 4:6

ratio of girls to omnivorous girls is 1:1 

Answer 1

4:6 means 4/10 of 100 are boys = 40 boys

and 60% are girls = 60 girls

30 girls are omnivorous and 30 are not? so what do the non-omnivorous girls eat? vegetarians? most likely, or just meat eaters? unlikely. We need our veggies. Hard to survive on just meat, although that does reduce your weight, as meat has no carbs. Males might be more prone to avoid vegetables.