Answer:
It will take [tex]3[/tex] workers to build [tex]95[/tex] birdhouses
Step-by-step explanation:
Given:
[tex]5[/tex] workers to built [tex]120[/tex] birdhouses[tex]=3[/tex] days
To find how long will it take [tex]3[/tex] workers to build [tex]95[/tex] birdhouses
By unitary method,
[tex]1[/tex] worker to built [tex]120[/tex] birdhouses [tex]=3[/tex] × [tex]5[/tex] days
[tex]1[/tex] worker to built
So ,
[tex]1[/tex] worker to built
[tex]3[/tex] workers to built [tex]1[/tex] birdhouse[tex]=\frac{3*5}{120*3}[/tex] ⇒[tex]\frac{1}{24}[/tex]days
[tex]3[/tex] workers to built [tex]95[/tex] birdhouses [tex]=\frac{1}{24}[/tex] × [tex]95[/tex]
[tex]= 3.95[/tex] or [tex]4[/tex] days.
Learn more about unitary method, refer: