Question 982528
{{{B+G=2P}}}
Since there are as many boys as girls,
{{{B=G=P}}}
So then the number of kids that go by bus is,
{{{(2/5)P+(1/2)P=(4/10)P+(5/10)P=(9/10)P}}}
The total number of kids is {{{2P}}} so the fraction that go by bus is,
{{{F=((9/10)P)/(2P)}}}
{{{F=9/20}}}