5/[(1/0.03) + (1/0.37)] = ?  Select the correct option.
A) 0.004
B) 0.1388
C) 2.775
D) 3.6036
E) 36.036
Approximate.   1/.03 = 100/3 = 33   1/.37 = 100/37 = 3   Denominator becomes   33 + 3= 
<gadget id="calculator">  33 + 3</gadget>
<output>36</output>
36   5/36= .1388   Answer (0.1388)
<result>B</result>
5/[(1/0.03) + (1/0.37)] = ?