If 0 < a < b and k = (6a + 7b)/b , which of the following must be true?	Choose the correct choice from the following choices:
A) k < 2
B) k < 7
C) k < 9
D) k > 15
E) k < 11
Please follow posting guidelines (link in my signature) especially writing the correct topic title. Also do mention the source of the question if you select the tag:Source-Other Please Specify.   As for your question, it is very simple and straightforward with number plug in.   Assume a=1 and b=2 as a &lt; b, you get k = (6+14)/2= 
<gadget id="calculator">(6+14)/2</gadget>
<output>10</output>
10. This eliminates all but option k &lt; 11, making it the correct answer.
<result>E</result>
If 0 < a < b and k = (6a + 7b)/b , which of the following must be true?