To build 12 computers, it takes four people 18 days. If two more people helped, how many days would it probably have taken to build all 12 computers? plz help, thank-you.

Question

anonymous · Answer

to build 12 comp. one would take 4*18 days.
to build 12 comp.,6 would take =4*18/6=12 days

dumbcow · Answer

find the rate it takes 1 person to build 1 computer

12/4 = 3
so each person built 3 computers in 18 days
3/18 = 1/6
rate is 1 computer per 6 days per person

6people then build 6 computers in 6 days ---> 12 computers in 12 days