Pat's watch gains an extra 10 seconds every 3 hours. Kim's watch loses 4 seconds every 2 hours. If both watches are set to correct time at 8 o'clock in the morning and run without interruption, after 36 hours, what will be the difference in time between Pat's watch and Kim's watch? Choose the correct choice from the following choices.
A) 3 min 16 sec	B) 3 min 15 sec	C) 3 min 14 sec	D) 3 min 13 sec	E) 3 min 12 sec
In 36 hours Pat's watch will gain an extra   36/3*10= 
<gadget id="calculator">  36/3*10</gadget>
<output>120</output>
120 seconds.   In 36 hours Kim's watch will lose   36/2*4= 
<gadget id="calculator">  36/2*4</gadget>
<output>72</output>
72 seconds.   Hence the difference will be   120 + 72= 
<gadget id="calculator">  120 + 72</gadget>
<output>192</output>
192 seconds.   Answer: 3 min 12 sec.
<result>E</result>
Pat's watch gains an extra 10 seconds every 3 hours. Kim's watch loses 4 seconds every 2 hours. If both watches are set to correct time at 8 o'clock in the morning and run without interruption, after 36 hours, what will be the difference in time between Pat's watch and Kim's watch?