Neptne takes 165 years.
1300-1650
The 80 years between 1650 and 1730.
1650 by sir isaac newton
1650 + 1650 + 950 + 950 = 5200
110 x 15 = 1650
1650 - 30% = 1650 x (1 - (30/100)) = 1650 x 0.7 = 1155
1650 is MDCL.
1650 was in the 17th century.
1650 / 2 is equal to 825.
137.5
1650/20000 = .0825 = 8.25%
It is currently 2008 AD. Do the math.