SOLUTION: Write a system of equations to solve this problem: The ratio of boys to girls in a school is about 3 to 5. There are about 800 students in the school. How many are boys? How many a

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Write a system of equations to solve this problem: The ratio of boys to girls in a school is about 3 to 5. There are about 800 students in the school. How many are boys? How many a      Log On


   

Question 877509: Write a system of equations to solve this problem: The ratio of boys to girls in a school is about 3 to 5. There are about 800 students in the school. How many are boys? How many are girls?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
B%2FG=3%2F5
B=%283%2F5%29G
.
.
B%2BG=800
Substitute,
%283%2F5%29G%2BG=800
%288%2F5%29G=800
G=500
B=%283%2F5%29500
B=300