Theater

The theater has in each row with 10 seats. Ticket to the first 5 rows is for 21 USD. In next rows is for 13 USD. The theater was completely sold out. Revenue was 3520 USD.

How many rows are in the theater?

Result

n =  24

Solution:

10*5*21 + 10*(n-5)*13 = 3520

130n = 3120

n = 24

Calculated by our simple equation calculator.

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