Question 667509
	
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
The number of boys{{{highlight(y)}}} in Mr. Marks class was 18 less than twice the number of girls{{{highlight(x)}}}.
Question states*** total of 111 students 
  x + y = 111    {{{y = 2x-18}}}
 x + (2x-18) = 111
    3x = 129
     x = 43, number of girls.  68 Boys