A list of numbers consists of p positive and n negative numbers. If a number is picked at random from this list, the probability that the number is positive is (3/5). What is the value of (n/p)?

a) 3/8

b) 5/8

c) 2/3

d) 3/2

e) 8/3

What is the correct answer and can you please explain why? Thanks in advance

- - - -521