SOLUTION: There are 250 students in class. The number of boys is 40 more than twice the number of girls. How many boys and how many girls are in the class?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: There are 250 students in class. The number of boys is 40 more than twice the number of girls. How many boys and how many girls are in the class?      Log On


   

Question 838398: There are 250 students in class. The number of boys is 40 more than twice the number of girls. How many boys and how many girls are in the class?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

there are 250 students

highlight_green%28x%29 boys and highlight_green%28250-x%29 girls

 x = 2(250-x) + 40  ****

 3x = 540

  x = 180, the number of boys. There are 70 girls.  (250-180)

CHECKING our answer***

  180 = 140 + 40