Performance

The same number of tickets sold for 15 CZK, 20 CZK, 30 CZK, and 40 CZK, a total of CZK 13,230 for theatre performances. How many tickets were sold for this performance?

Correct answer:

n =  504

Step-by-step explanation:


13230 = (15+20+30+40)· n/4

105n = 52920


n = 52920/105 = 504

n = 504

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