Question 481073
year							
1990		70.2	years				
1997		72.7	years				
Difference							
7		2.5					
Increase in life expectancy per year =			2.5	/	7	=	0.36
							
E(t)=	70.2	+	0.357	t 			
							
2008	t=	18					
							
E(t)=	70.2	+	0.357	*	18		
							
In 2008 --K (18)=	76.63	years	

K (	13	)=	74.84	years

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