Question 553296
Principal P =	100							
Amount=	200							
years=n								
compounded (t)	4							
Rate =	5.9				0.01			
Amount =	P*((n+r)/n)^n							
								
200	=	100	*(	1	+	0.01	)^	n*t
2	=	*(	1	+	0.01	)^	n*	4
ln	2	=	4	n *ln	1.01			
	0.69	=	4	0.01	*n			
	11.83	=	n					
11.83 years
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Principal P =	100							
Amount=	200							
years=n								
compounded (t)	4							
Rate =	6.3				0.02			
Amount =	P*((n+r)/n)^n							
								
200	=	100	*(	1	+	0.02	)^	n*t
2	=	*(	1	+	0.02	)^	n*	4
ln	2	=	4	n *ln	1.02			
	0.69	=	4	0.02	*n			
	11.09	=	n