A ball is drawn at random from a box containing 6 red balls,4 white balls and 5 blue balls. what is the probability of picking a blue balls​

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

(x-5)1/2+5=2 what is a possible solution?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.