The answer is 10,270. 3/5 of 49,080 is 29448 and 15\% of 49,080 is 7362. 29448+7362 is 36810 and 49080-36810=10270.
49080 divide by 10 = 4,908
4908 divide by 2 = 2,454
2454 x 3/5 (0.6) on the calculator = 14,724
The answer is 14,724 tickets sold are for the semi-finals matches.
Do correct if the answer is not right.