Question 1127503
c children
a adults


{{{system(c+a=1300,0.5c+1.5a=1450)}}}


Money equation,
{{{c+3a=2900}}}


{{{system(c+a=1300,c+3a=2900)}}}


Subtract E1 from E2.
{{{2a=1600}}}
{{{highlight(a=800)}}}-------adult tickets


{{{highlight(500)}}}--------children