SOLUTION: Envelope stuffing. Every week, Linda must stuff 1000
envelopes. She can do the job by herself in 6 hours. If
Laura helps, they get the job done in 5 1/2 hours.
How long would
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-> SOLUTION: Envelope stuffing. Every week, Linda must stuff 1000
envelopes. She can do the job by herself in 6 hours. If
Laura helps, they get the job done in 5 1/2 hours.
How long would
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Question 362289: Envelope stuffing. Every week, Linda must stuff 1000
envelopes. She can do the job by herself in 6 hours. If
Laura helps, they get the job done in 5 1/2 hours.
How long would it take Laura to do the job by herself ?
You can put this solution on YOUR website! linda can do the job by herself in 6 hours.
If Laura helps, they get the job done in 5 1/2 hours.
...
linda can do 1/6 of the job in 1 hour.
together they can do 2/11 of the job in 1 hour
..
2/11-1/6
LCM =66
(12-11)/20
1/20 of the job
so Laura can do the job in 20 hours alone
...
m.ananth@hotmail.ca
