The annual suicide rate (number per 100,000) of 15-24 year olds is estimated by the linear equation 
where x is the number of years since 1970 and y is the annual suicide rate (number per 100,000). For those in the 25-34 year old group the linear equation is 
. Find when the annual suicide rate for these two groups will be equal and find the suicide rate at that time.
What will be an ideal response?
In the year 2011. The rate = 15.28 per 100,000.
Mathematics
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.
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?
?
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?
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