SOLUTION: Mr. Bentley has 25 math students. The ratio of boys to girls is 3:2. How many boys does he have in math class?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Mr. Bentley has 25 math students. The ratio of boys to girls is 3:2. How many boys does he have in math class?      Log On

 

Hi,

Let x represent the constant of proportionality

 3x + 2x = 25

    5x = 25

     x = 5,    boys