In a class of 40,there are 10 boys at age of 12 years,12at the age of 12.5years and the rest at the age of 13. the average age of boysin class is
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10*12=120
12*12.5=150
18*13=234
and t
average 504/40=12.6
hope its help you
pls make it to brainlist
12*12.5=150
18*13=234
and t
average 504/40=12.6
hope its help you
pls make it to brainlist
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