Question

I need help in my alg assignment, I'm trying to finish up my class and my friend explain this to me but I don't understand and can't

Answer 1

50 boys 35 girls 4.40 times 5 is 22+14=36
so all your doing here is 35 times 0.4 because their are 35 girls and you multiple that by 0.4
same thing for the guys anyway answer is 36