SOLUTION: in a school there are 560 children, there are 40 boys more than girls, how many girls are there?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: in a school there are 560 children, there are 40 boys more than girls, how many girls are there?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 964781: in a school there are 560 children, there are 40 boys more than girls, how many girls are there?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
g=number of girls; b=number of boys=g+40
g+b=560 Substitute for b
g+g+40=560
2g=520
g=260 ANSWER: There are 260 girls
CHECK:
b=g+40=260+40=300
g+b=560
260+300=560
560=560