Posted by jane on Friday, November 30, 2012 at 11:07pm.
There were 20% more boys than girls in a swimming club. After 50 girls left, there were twice as many boys as girls in the club. How many boys were there in the club?

math  Jason, Saturday, December 1, 2012 at 1:36am
Solve the equtions b = 1.2g and b= 2(g50) to get 150 boys.