Pls me with all of the questions i really wasn’t listen to the teacher when he was talking. i was on my phone

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph