★ Find a new page on our Untranscribed Manuscripts list.
Given the number of days in the Period Days 17
The numbers remaining alive
at the end of the period 700
The ratio of mortality the
numbers dead within the
period to the numbers
born during the period viz.
as 1 to 6
The numbers accession to the
Stock the same on each day
of the period.
Required
The numbers born duringfor each
day of the period x
The numbers dead for each
day of the period y
Then
7x-7y=700
7x:7y::6:1
42y=7x
x=42y ÷ 7
Influents into Age 1 = x
Remanets of Age 1 = 67
Remanets of Age 2 46
Influents into Age 2 y
Decrementalists of Age 1 =
Decrementalists of Age 2 d
Then
x=67+
y=46 + d
x:y ::
D= x-67
d= y-46
x:y::67+D:46+d
46x+dx=67y+Dy
46x+x=47x=67y+Dy
47=xd/67
---page break---
Identifier: | JB/157/007/003"JB/" can not be assigned to a declared number type with value 157. |
|||
---|---|---|---|
157 |
poor plan |
||
007 |
numbers brouillon |
||
003 |
|||
rudiments sheet (brouillon) |
2 |
||
recto |
|||
jeremy bentham |
tw 1794 |
||
francis hall |
|||
1794 |
|||
53377 |
|||