SOLUTION: In a class of 330 students, there are 60 more girls than boys. How many girls are in the class?

Algebra ->  Test -> SOLUTION: In a class of 330 students, there are 60 more girls than boys. How many girls are in the class?      Log On


   

Question 804072: In a class of 330 students, there are 60 more girls than boys. How many girls are in the class?
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
girls=x boys=y
x%2By=330
x=60%2By
also written as
x-60=y
plug y=x-60 into x+y=330.
x%2Bx-60=330
2x-60=330
2x=390
x=195
there are 195 girls