Multiple Choice Questions. Click on the correct answer.
Problem 6.
6. If John can fill the tank in 10 minutes working alone, and Julie
can fill the tank in 20 minutes working, how long will it take if they
work together (minutes)?
- (a)
- 30.
- (b)
- 10.
- (c)
-
.
- (d)
-
.
- (e)
- none of these.
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Mon Aug 18 09:09:42 MDT 1997
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