27/54 written in prime factored form to reduce to simplest form

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?