Solve
-One Pump Can Drain a Pool in 12 Minutes $105 \mathrm {~min}$

question 195

Multiple Choice

Solve.
-One pump can drain a pool in 12 minutes. When a second pump is also used, the pool only takes 9 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?

• A) \(105 \mathrm {~min}\)
• B) \(5 \frac { 1 } { 7 } \mathrm {~min}\)
• C) \(\frac { 1 } { 36 }\) min
• D) \(36 \mathrm {~min}\)

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