A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. H
ow many girls are in a group that has 16 boys?
1 answer:
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.
You might be interested in
6. = 0.0000004834
7. = 0.0000506
8. = 0.00098
9. = 64580000
10. = 1398600000
5×2=10 3×1=3 2×1=2 7×1=7. ?×2=14
B. All rectangles are parallelograms. <span />
Answer:
Step-by-step explanation:
5.70 divided by 3
witch would be $1.90
