Dr. price’s Theorems 
1 14 
Then, y=p -^xy. 
1 H — 
Ii — P- 
- 2 xh . 
n r 
r 
1+ - 
Q>-p- 
x q. 
nr 1 
m 
M — P- 
- • 
nr 
EXAMPLE I. 
Let the life be fuppofed of the age of 36. The com- 
plement of fuch a life is 50, according to Mr. de moi- 
vre’s hypothecs; and alfo very nearly, according to the 
Breflaw and the Northampton tables of obfervations. 
Therefore, n will be 50. Let the rate of intereft be 4 
per cent , or r = 0,0 4. p = 25. ^=21,482. ^=21,549. 
*7=21,582. m— 21,616. Seep. hi. 
Therefore, y=25- s ^±-x 21,482=13,829. 
1,02 
h=2 5-J^ 4 * 21,549=14,010 
^= 2 S- s -Sj|t 4 ><'21,582=14,101 
2I,6l6 
EXAMPLE II. 
Let the life be fuppofed of the age of 6 1 . The com- 
plement of this life is 25 by Mr. de moivre’s hypothe- 
lis 
