Answer: i am prety sure that it is 8 because when you see that there is a plus sign a minus sign and an equeal thats pretty much all you gotta do.
Step-by-step explanation:
There are 81 girls to every 72 boys in total, which can be represented by 81/72, which put into decimal form, is 1.125. If you then take the number of boys in the group, 16, and multiply it by this number (because the problem states that the ratio is constant) you can find the number of girls in the group.
16*1.125=18
So there are 18 girls in a group with 16 boys.
Answer: C
Step-by-step explanation:
