Answer:
There are 60 boys and 80 girls in Franklin School.
Step-by-step explanation:
"franklin school has 3 boys for every 4 girls in the fifth grade." means that the ratio of boys to girls is: 3:4
It can also be written as 3/4
Also given
Total number of students: 140
We will use ratios to find the number of boys and girls in shool.
First of all, we have to calculate the sum of ratio which is: 3+4 = 7
Let b be the number of boys and g be the number of girls
Then

Hence,
There are 60 boys and 80 girls in Franklin School.
Answer:
414.857143
Step-by-step explanation:
r=66
=2*66*22/7
=414.857143
My boiii, tiger algebra helped me out a little on this one, I got 7c * sqrt(5)
9•44=396
396/54=7.3 repeating
Therefore y=7.33