Solve
-One Pump Can Drain a Pool in 9 Minutes $3 \frac { 3 } { 5 } \mathrm {~min}$

question 177

Multiple Choice

Solve.
-One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 6 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?

• A) \(3 \frac { 3 } { 5 } \mathrm {~min}\)
• B) \(\frac { 1 } { 18 } \mathrm {~min}\)
• C) \(51 \mathrm {~min}\)
• D) \(18 \mathrm {~min}\)

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Definitions:

Obsessions

Persistent, unwanted thoughts, images, or urges that cause distress or anxiety.

Compulsions

Repetitive behaviors or mental acts that a person feels driven to perform in response to an obsession, typically aimed at reducing anxiety or preventing a feared event or situation.

Recurrent Thoughts

Repeated thoughts or ideas that frequently occupy a person's mind.

Recurrent Behaviors

Repetitive actions often performed with little conscious thought, which can be part of routines, habits, or compulsions.