The average age of 20 men in the class is 15.6 years. Five new men join and the new average becomes 15.56 years. What was the average age of five new men?  Pick one.
A) 15.5	B) 15.4	C) 15.25	D) 15.3	E) 15.6
Total age of 20 men = 15.6 x 20 = 312   Now, total age of 25 men = 389.   Total age of five men added later = 389 - 312= 
<gadget id="calculator">389 - 312</gadget>
<output>77</output>
77.   Hence, the total average of five men= 77/5= 
<gadget id="calculator">77/5</gadget>
<output>77/5 = around 15.4</output>
15.4   ANSWER:15.4
<result>B</result>
The average age of 20 men in the class is 15.6 years. Five new men join and the new average becomes 15.56 years. What was the average age of five new men?