Question

If it takes 9 hours for 4 people to build a shed, how many people areneeded to build the same type of shed in one-third of the time?12 6273

Answer 1

If the time it takes to build the shed is proportional to the amount of people building it then:

The proportionality constant is 9/4 (this value determines how much the time changes each time one person is added to the construction)

One third of 9 is 3, multiply the time by the proportionality constant to get the number of people needed:

3*(9/4)= 6.75

You'll need arround 6 people to construct the shed in one third of the time.