If x > 0, x/10 + x/25 is what percent of x? Select the correct option
A) 6%  B) 14%  C) 37 1/2%  D) 60%  E) 75 %
Just plug and chug. Since the question asks for percents, pick 100. (but any number will do.)   100/10 + 100/25= 10+4= 
<gadget id="calculator">10+4</gadget>
<output>14</output>
14   14 is 14% of 100=14%
<result>B</result>
If x > 0, x/10 + x/25 is what percent of x?