If 8 men do a work in 80 days, in how many days will 20 men do it?	Select the correct option:
A) 18 days
B) 32 days
C) 42 days
D) 48 days
E) 44 days

Rationale: "8 * 80 = 20 * x x = 32 days answer : b"
Answer: B