Search found 3 matches
Combined Work Problem
Can't seem to figure this one out.... Each of 10 machines works at the same constant rate doing a certain job. The amount of the time needed by the 10 machines working together, to complete the job is 16 hours. How many hours would be needed if only 8 of the machines, working together, were used to ...
- by JScherman
Thu May 08, 2014 9:23 am- Forum: Problem Solving
- Topic: Combined Work Problem
- Replies: 2
- Views: 5746
Problem #115
Machines X and Y produced identical bottles at different constant rates. Machine X, operating alone for 4 hours, filled part of the production lot; then Machine Y operating alone for 3 hours, filled the rest of this lot. How many hours would it have taken Machine X operating alone to fill the entire...
- by JScherman
Fri Apr 11, 2014 6:17 am- Forum: Data Sufficiency
- Topic: Problem #115
- Replies: 1
- Views: 1358
- by JScherman
Fri Mar 07, 2014 1:16 pm- Forum: Problem Solving
- Topic: Dividing Radicals: 45-45-90 Triangle
- Replies: 2
- Views: 1468