- A25 min
- B20 min
- C22.5 min
- D17.5 min
Step-by-Step Solution
In 5 min both fill . B fills the remaining in min. Total = 22.5 min. (17.5 min forgets the first 5.)
Answer: C) 22.5 min
Pipe A fills a tank in 20 minutes and pipe B in 30 minutes. Both are opened, and A is turned off after 5 minutes. How long in all does the tank take to fill?
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