MATHEMATICAL PAPERS. 18 
| ninsa tirua 
XVIL- © “Several Ways of pm ra Sum isto inaen 
onan Adventure, that the whole Interef may be-covered. 
By MERCATOR. 
“HE firft and moft common way is, to aft the pre- 
mium of infurance at the ftipulated rate, on the ad- 
venture, —on that premium,—on the premium of the firft pre- 
mium, and fo on until the premium be fo {mall as not to be 
worth noticing ; then to collect the adventure and thefe feveral 
premiums (firft and fecondary)- into one fum, which-will be 
the fum to be infured. : d. node nimm dad 
Example. Adventure, £.315 ;—rate of infurance, “30 per 
cent. Mis 
£315 he Shira 
dida sra EPE 
94550 miri ! S. st 
— Second premium. ae 
10,00 f.28. 460 TP 
Va = a Third premium. 
:9niddlkl & 283. 10. 0.5... £:8. 10.21. 
ue rius Hi Gee 
i i 8,50. 10. o. 5 
Firft premium. . 25 pe 
o em 
25. 19.8.3 
I 
£-94- 10. 0 
10 
2 ^ 
10,10 2,55. 3- «be 2 
945. O. O — x — nm dee 
3 1,29 ih toga 
a RN OI RN 4 P S p 12 Ex 
28,35. O. O — Ke — m 
20 9o Ln E 237 » 
7:100 LU d Ls 
Rh 7 1,50 j 
o ^i 
