If a theatre holds 1,200 people, and sells 2/3 of its seats, how many tickets does it sell? 500 600 750 800 900

The correct answer is: 800

Explanation:
If the threatre holds 1200 people, it means that there are total 1200 seats in the theatre.

2/3 of the total seats are sold; mathematically we can write it as:

(Total-number-of-seats) * (Fraction-of-seats-sold)
1200 * 2/3 = 800

Hence there are 800 tickets are sold.