# If 12 people are needed to run four machines, how many people are needed to run 20 machines?

##### 1 Answer

Nov 10, 2016

#### Answer:

If the ratio of people to machines is always constant then it would take 60 people to run 20 machines if it takes 12 people to run 4 machines.

#### Explanation:

This problem can be completed by solving this equation"

12 people per 4 machines = x people per 20 machines

or

Solving for