I’m pretty positive it is just 5.70 you just take out the 4.
There will be 18 girls in a group of 16 boys.
you divide 72 by 16 and get 4.5.
then you divide 81 by 4.5 and get 18.
That is how you get 18 girls in a group of 16 boys.
Hope that helped.
D. is the answer since (-8)(-24)=192 and so does (-16)(-12)
