Question

The metro theater has 20 rows of seats with 18 seats in each row. Tickets cost $5. The theaters income in dollars if all seats are sold is (20x18)x5. Use properties to find the total income.

Answer 1

In a Metro there are:
20 rows of seats
18 seats in a row
and $5 per ticket

Using commutative property of Multiplication:
Therefore.
=> (20 x 18) x 5 = 5 x (18 x 20)
=>  360 x 5 = 5 x 360
=> 1800 = 1800

Therefore, they have $1800 income.