SOLUTION: If 30 assemblers can complete a certain job in 4 ​hours, how long will the same job take if the number of assemblers is cut back to 12​? Please help

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 30 assemblers can complete a certain job in 4 ​hours, how long will the same job take if the number of assemblers is cut back to 12​? Please help      Log On