The ages of Patrick and Michael are in the ratio of 3 : 5 and that of Michael and Monica are in the ratio of 3 : 4. If the sum of their ages is 132, what is the difference between the ages of Patrick and Monica? Choose one:
A) 27
B) 48
C) 45
D) 72
E) 33
Ages of P and Mi=3x:5x   Ages of Mi and Mo=3x:4x   Rationalizing their ages. ratio of their ages will be 9x:15x:20x   Sum=44x=132   x=3   Difference if ages of Pa and Mo=20x-9x=11x20 -9= 
<gadget id="calculator">20 -9</gadget>
<output>11</output>
11x=11*3= 
<gadget id="calculator">11*3</gadget>
<output>33</output>
33   Answer 33
<result>E</result>
The ages of Patrick and Michael are in the ratio of 3 : 5 and that of Michael and Monica are in the ratio of 3 : 4. If the sum of their ages is 132, what is the difference between the ages of Patrick and Monica?