Question

Help I don’t understand. Pic above

Answer 1

110

Explanation:

x = adult's tickets

y = student's tickets

{x + y = 250

{5x + 7y = 1530

{- 5x - 5y = - 1250

{5x + 7y = 1530

--------------------------

2y = 280

y = 280/2

y = 140

x + y = 250

x + 140 = 250

x = 250 - 140

x = 110

I hope I've helped you.