16 men can complete a piece of work in 28 days. In how many days can 20 men complete that piece of work?
Choose the correct choice from the following
A) 55 days B) 77 days C) 22.4 days D) 88 days E) 44 days

Rationale: "16 * 28 = 20 * x = > x = 22.4 days answer : c"
Answer: C