The average age of a group of 16 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?
Choose the correct choice from the following choices
A) 22 years	B) 30 years	C) 38 years	D) 32 years	E) None of these
Answer   The average age of a group of 16 students is 20.   Therefore, the sum of the ages of all 16 of them = 16 * 20= 
<gadget id="calculator">16 * 20</gadget>
<output>320</output>
320   When two new students join the group, the average age increases by 2. New average= 22.   Now, there are 18 students.   Therefore, the sum of the ages of all 18 of them = 18 * 22= 
<gadget id="calculator">18 * 22</gadget>
<output>396</output>
396   Therefore, the sum of the ages of the two new students who joined= 396 - 320= 
<gadget id="calculator">396 - 320</gadget>
<output>76</output>
76   And the average age of each of the two new students= 76/2= 
<gadget id="calculator">76/2</gadget>
<output>38</output>
38 years.   Answer 38 years
<result>C</result>
The average age of a group of 16 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?