Question 327650
The average weight of 10 children is 88 pounds.
 Two more children join the group: one weighs 95 pounds and the other 93 pounds.
 What is the average weight for the twelve children?
:
Now the number children is 12
:
Av = {{{(10(88)+95+93)/12}}} 
:
Av = {{{(880+188)/12}}}
:
Av = {{{1068/12}}}
:
Av = 89 lb