Question 178659
let x be the number of students in class
:
{{{(x/5)+(x/4)+(x/3)+(x/6)+12=x}}}
:
{{{(12x/60)+(15x/60)+(20x/60)+(10x/60)+12=x}}}
:
{{{57x/60+12=x}}}
:
{{{3x/60=12}}}
:
{{{3x=720}}}
:
{{{highlight(x=240)}}}students in the class