There are 30 red marbles and 19 blue marbles in a jar. you randomly pick 3. what is the probability that you pick at least 2 red marbles?

-1/2 +2

step-by-step explanation:

if you get paid hourly because if you get a salary you could work all week and only get paid a certain amount no matter how much you work but if you get paid hourly then you get paid for every minute you worked.