The students in Mr. murthy´s class are participating in the recycling project. After 2 days, the class collected 20 plastic bottles. They collected the same number of bottles each day. How many bottles did Mr. Murthy´s class collect in 5 days?

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?