If 20 assemblers can complete a certain job in 6 hours, how long will the same job take if the number of assemblers is cut back to 12?

Given,

Total number of assemblers = 20

They work a job in 6 hours.

To find,

Time to complete the work if the number of assemblers is cut back to 12.

Solution,

Initially,

20 assemblers = 6 hours

1 hour = assemblers

If assemblers are 12 then,

Hence, 40 hours will be required if the number of assemblers is cut back to 12.

attachment?

step-by-step explanation: