there are 5 people who can build 5 houses in just 5 days . increase the amount of people to 100 . how long would it take these 100 people to build 100 houses ?
Choose the correct choice
A) 2 days  B) 3 days  C) 4 days  D) 5 days  E) 1 days

Rationale: it will take 5 days for 100 people to build 100 houses . 1 person can build 1 house in 5 days . so , 100 people can build 100 houses in 5 days . answer d
Answer: D