SOLUTION: If 12 boys mean for weight is 150, and a 13th boy's weight is added to make the new mean 175. What is the 13th boy's weight? How do you solve for his weight?

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Question 857425: If 12 boys mean for weight is 150, and a 13th boy's weight is added to make the new mean 175. What is the 13th boy's weight? How do you solve for his weight?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Let x represent the 13th boy's weight
%2812%2A150+%2B+x%29%2F13+=+175
x = 13%2A175+-+12%2A150++