Question 1200974
<pre>
BOYS           N

A             2b

B              b

C              1.5*2b

Total          102
</pre>
{{{2b+b+(1&1/2)2b=102}}}--------simplify and solve for b.


{{{3b+3b=102}}}

{{{6b=102}}}

{{{b=102/6}}}

{{{highlight(b=17)}}}-----------and you can find the other two values.