Question 1046795
Let x represent the number of adult tickets, student tickets {{{725-x}}}
19x + 12.50(725-x) = 11987.50
6.50x = 11987.50 - 12.50(725)
x = [11987.50 - 12.50(725)] / 6.5  Use Your calculator
x = 450, number of adult tickets
Student {{{725-450}}}