SOLUTION: given that it takes 6 hours for 12 men to complete a certain fob, find (i) how long will 18 men working at the same rate, take to do the same job (ii)how many men working at the

Algebra ->  Rate-of-work-word-problems -> SOLUTION: given that it takes 6 hours for 12 men to complete a certain fob, find (i) how long will 18 men working at the same rate, take to do the same job (ii)how many men working at the       Log On


   

Question 874998: given that it takes 6 hours for 12 men to complete a certain fob, find (i) how long will 18 men working at the same rate, take to do the same job (ii)how many men working at the same rate will be required to complete the same job in 41/2 hours
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
N%5B1%5D+%2A+T%5B1%5D+%2A+W%5B2%5D+=N%5B2%5D%2AT%5B2%5D%2AW%5B1%5D
72/18 = 4hrs
72/4.5 = 16 men