SOLUTION: If 3 workers can assemble 2 bookcases in 45 minutes, how long would it take 5 workers to assemble the bookcases?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 3 workers can assemble 2 bookcases in 45 minutes, how long would it take 5 workers to assemble the bookcases?       Log On


   

Question 1104458: If 3 workers can assemble 2 bookcases in 45 minutes, how long would it take 5 workers to assemble the bookcases?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
"The bookcases", being 2 of them,

r, rate of work for any 1 worker,

3%2Ar%2A45=5%2Ar%2At
3%2A45=5%2At
t=3%2A45%2F5
t=3%2A9
highlight%28t=27%29------in minutes