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.

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.