Solve the Problem $$1 \frac { 9 } { 13 } \text { minutes }$$

question 212

Multiple Choice

Solve the problem.
-One pump can drain a pool in 11 minutes. When a second pump is also used, the pool only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?

• A)13 minutes
• B) \[1 \frac { 9 } { 13 } \text { minutes }\]
• C) \[2 \frac { 4 } { 9 } \text { minutes }\]
• D) \[\frac { 9 } { 22 } \text { minute }\]

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Definitions:

Inverter

The digital circuit that performs inversion.

Digital Circuit

An electronic circuit that processes digital signals, consisting of logic gates and designed to perform a specific computational task.

XOR Function

A logical operation that returns true only when an odd number of inputs are true, and false otherwise.

OR Gate

A basic digital logic gate that outputs true or high if at least one of its inputs is true or high.