Answer:
280m
Step-by-step explanation:
Work rate would be (210m)/(45people)(60days)=7/90 m/(people)(day)
7/90 m/(people)(day) * 72people * 50days =280m
The sample space for the 3 different music CDs is as follows:
{JPR, JRP, PJR, PRJ, RJP, RPJ}
1÷16= 0.0625
So just add 6 to it.
Total = 6.0625
The answer is 68e pls mark as brainless
Than answer you looking for is I think B