If a /2= b/3 = c/5, then the value of (a + b + c)/c is :	Pick one: A) 1/√5 B) √2 C) 2 D) 5 E) 6
a/2= b/3 = c/5 = k (say).   Then, a = 2k, b = 3k, c = 5k.   (a + b + c)/c = (2k + 3k + 5k)/5k   = 10k/5k   = 2.   ANSWER:210 /5= 
<gadget id="calculator">10 /5</gadget>
<output>2</output>
2.   ANSWER:2
<result>C</result>
If a /2= b/3 = c/5, then the value of (a + b + c)/c is :