Traditional Culture Encyclopedia - Travel guide - "Seven-color Flower" organized a charity performance, * * * sold 300 tickets and raised a donation of 4,000 yuan. Among them, each student ticket 10 yuan and each adult ticket 15 yuan.

"Seven-color Flower" organized a charity performance, * * * sold 300 tickets and raised a donation of 4,000 yuan. Among them, each student ticket 10 yuan and each adult ticket 15 yuan.

Solution: setting; Sell X student tickets and 300-x adult tickets.

10x+(300-x)* 15 = 4000

10x+4500- 15x=4000

500 = 5 times

x= 100

300- 100=200

A: Student ticket 100, adult ticket 200.