SOLUTION: A school of 300 students has a ratio of 3:2 girls to boys.What percentage are boys?

Question 556141: A school of 300 students has a ratio of 3:2 girls to boys.What percentage are boys?
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
Call the number of any student x. According to the ratio there are 3x girls and 2x boys. Their number must equal 300:
3x + 2x = 300
5x=300
x=60
Boys is 2x = 120
Girls is 3x=180

% = part/whole = boys/students = 120/300 = .4 = 40%

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