SOLUTION: the average age of 40 students is 12 years.If the teacher age is also included,the average age increases by one year.What is the weight of teacher?
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Question 815780: the average age of 40 students is 12 years.If the teacher age is also included,the average age increases by one year.What is the weight of teacher? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! the average age of 40 students is 12 years.
If the teacher age is also included,the average age increases by one year.
What is the weight of teacher?
:
Not sure what his weight is but we should be able to find his age (a)
: = 12 + 1 = 13
480 + a = 41 * 13
480 + a = 533
a = 533 - 480
a = 53 yrs is the teacher's age
