Help me with this math question please I'm giving away brainliests​

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

How do i do this? i don’t understand

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left