Question 24187
Let the student tickets be x
Let the geral Admission tickets be y
x+y=525
y=525-x


4x+6y=2876 (subsitute for y)
4x+6(525-x)=2876
4x+3150-6x=2876
-2x=-274
x=137
y=525-137
y=388


Hence, about 137 childern tickets were sold and 388 gernal admission tickets were sold.
Paul.