SOLUTION: Sheila can map their floor in 30 min and her sister Bunny in 45 min.How long it take them to finish the job if they work together?
Algebra ->
sets and operations
-> SOLUTION: Sheila can map their floor in 30 min and her sister Bunny in 45 min.How long it take them to finish the job if they work together?
Log On
Question 635160: Sheila can map their floor in 30 min and her sister Bunny in 45 min.How long it take them to finish the job if they work together? Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! 1/45+1/30=1/x
(30+45)/45*30=1/x
75/1350=1/x
75x=1350
x=1350/75
x=18 min. when working together.
(