In a class, the average age of 28 boys is 12 years and the average of 20 girls is 8 years. what is the average age of the whole class?	Choose the most appropriate option
A) 10.3 Years	B) 12.3 Years	C) 12.6 Years	D) 13 Years	E) 15 Years
Total age of 48 students   (28X 12+20 X 8) = 496   10.3 Yearsverage = 496/48 = 10.3 Years   10.3 Years
<result>A</result>
In a class, the average age of 28 boys is 12 years and the average of 20 girls is 8 years. what is the average age of the whole class?