Question 366492
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Hi, 
Applying the slope-intercept format(y= mx + b) for a linear equation.

m = (68-64.7) / (2000-1995) = (3.3/5)
68 = (3.3/5)*5 + b
68 - 3.3 =  b
64.7 = b
linear ecpression is:
E = (3.3/5)t + 64.7  where t is the number of years since 1995.
In the year 2003 (8 years from 1995)
E(8)= (3.3/5)*8 + 64.7
E(8) = 5.28 + 64.7
E(8) = 69.98