SOLUTION: There are three robots that make 12 repairs in 10 minutes. The Orti robot can make 10 repairs in 8 minutes. The eddie robot can make 8 repairs in 6 minutes. Approximately how long

Algebra ->  Rate-of-work-word-problems -> SOLUTION: There are three robots that make 12 repairs in 10 minutes. The Orti robot can make 10 repairs in 8 minutes. The eddie robot can make 8 repairs in 6 minutes. Approximately how long       Log On


   



Question 635407: There are three robots that make 12 repairs in 10 minutes. The Orti robot can make 10 repairs in 8 minutes. The eddie robot can make 8 repairs in 6 minutes. Approximately how long will it take the three robots working together to complete 100 repairs?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
30 robot minutes for 12 repairs
30/12=5/2 or 2.5 robot minutes per repair.
100 repairs need 250 robot minutes
250/3=83 minutes and 20 seconds.
If the problem was copied correctly the info about Orti and Eddie robots is irrelevant.