SOLUTION: If there are 30 students in a class and 12 of them are girls. What percentage of boys are there in class?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If there are 30 students in a class and 12 of them are girls. What percentage of boys are there in class?      Log On


   



Question 824642: If there are 30 students in a class and 12 of them are girls. What percentage of boys are there in class?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
---
percent boys = (30 - 12)/30 * 100 = 60%
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php