- A10 1/2 h
- B7 1/2 h
- C6 h
- D5 h
Step-by-Step Solution
In 3 h: filled. B fills the other half in h.
Answer: B) 7 1/2 h
Both taps on the empty tank are opened together. After 3 hours tap A is turned off and only B keeps running. How much more time does B need to fill the tank?
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