SOLUTION: on a class trip, there were 45 more girls than boys. The total number of students on the trip was 215. Write and solve an equation to find the number of girls and boys on the class

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: on a class trip, there were 45 more girls than boys. The total number of students on the trip was 215. Write and solve an equation to find the number of girls and boys on the class      Log On


   

Question 543728: on a class trip, there were 45 more girls than boys. The total number of students on the trip was 215. Write and solve an equation to find the number of girls and boys on the class trip.
Found 2 solutions by Anniebee, richard1234:
Answer by Anniebee(1) About Me  (Show Source):
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Let b and b+45 be the number of boys and girls on the trip. Then

b + (b+45) = 215

2b + 45 = 215

2b = 170, b = 85 --> b+45 = 130

85 boys, 130 girls