Aconstruction company is building a fence that is 2/3 mile long. they can build 1/6 mile of fence every hour. how many hours will it take them to complete the fence using a number line

4 hours

Step-by-step explanation:

Given : A construction company is building a fence that is mile long.

i.e. Length of fence =   mile .

They can build mile of fence every hour.

i..e Time taken to build mile fence= 1 hour

Then, Time taken to build 1 mile fence=    [By Unitary method]

Then , Time taken to build   mile fence =    

=4 hours.

Hence, it will take 4 hours to complete the fence.