SOLUTION: The ratio of males to females in Dr.Bitter's online mat class is 3:4. If the class size is 63, how many boys are there?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The ratio of males to females in Dr.Bitter's online mat class is 3:4. If the class size is 63, how many boys are there?      Log On


   

Question 809351: The ratio of males to females in Dr.Bitter's online mat class is 3:4.
If the class size is 63, how many boys are there?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x+4x=63
7x=63
x=63/7
x=9
3x=27 boys