emmanuelallison234 emmanuelallison234

19-04-2021
Mathematics

contestada

The number of days needed pave a section of high way varies inversely as the number of people working on the job. It takes 18days for 2 people to complete the project. If the job has to be finished in 4 days how many people are needed?

Respuesta :

ellalikestocry ellalikestocry

19-04-2021

Answer:

9 people.

Step-by-step explanation:

18 days for 2 people

To find the amount of time for one person, 18 x 2

36 = days for one person

halves each time a person is added

4 x __ = 36

36/4 = 9 people

To double check, do:

36/9 = 4

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