SOLUTION: The number of weekly murders have increased from 102 in 2008 to 123 in 2011. Predict the number of weekly murders in 2015. Can you help me set up this word problem?

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Question 444565: The number of weekly murders have increased from 102 in 2008 to 123 in 2011.
Predict the number of weekly murders in 2015. Can you help me set up this word problem?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
consider the data as points on a line.
(102,2008)
(123,2011)
you can shorten it to (102,08) and (123,11)
find the slope m and the y intercept b for y=mx+b