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Lite |
Car Wash
| Category: | Math |
| Submitted By: | blkmagic |
| Fun: |  (2.27) |
| Difficulty: | (1.79) |
If Bob can wash a car in 8 minutes and Joe can wash a car in 12 minutes, how long would it take to wash the car together?
Hint:
If Bob can do it in 8 with no help, how must faster can he do it with help?
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