SOLUTION: The number of boys to girls in a school is in the ratio 12:13. if the difference in the number of boys to girls 56, how many boys are there in the school?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The number of boys to girls in a school is in the ratio 12:13. if the difference in the number of boys to girls 56, how many boys are there in the school?       Log On


   

Question 1073339: The number of boys to girls in a school is in the ratio 12:13. if the difference in the number of boys to girls 56, how many boys are there in the school?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
system%28b%2Fg=12%2F13%2Cg-b=56%29


b%2F%2856%2Bb%29=12%2F13

13b=12%2856%2Bb%29

13b=12%2A56%2B12b

b=12%2A56

highlight%28b=672%29, the boys.

and the number of girls, g=728.