Three years ago the average age of a class of six members was 23 years. A boy have been added, the average age of the class is the same today. What is the age of the boy?
Select:
A) A)1	B) B)2	C) C)3	D) D)4	E) E)5
6 * 26= 
<gadget id="calculator">6 * 26</gadget>
<output>156</output>
156   7 * 23= 
<gadget id="calculator">7 * 23</gadget>
<output>161</output>
161   `5   5
<result>E</result>
Three years ago the average age of a class of six members was 23 years. A boy have been added, the average age of the class is the same today. What is the age of the boy?