Education > Complete treatise on practical arithmetic and book-keeping

38
COMPOUND PROPORTION.
Examtles.
1. If 100/ in one ylar gain 5/ interest, what will be the
interest of 750/ for 7 years ? . - Ans. 262/ lOs.
2. If 27s be die wages of 4 men for 7 days, what will
be the wages of 14 men for 10 days ? - Ans. 6/ 15s.
3. What principal will gain 262/ 10s in 7 years, at 5/ pei
cent, per annum ? - - - Ans. 750/,
4. If a footman travel 130 miles in 3 days when the days
are 12 hours long, in hew many days of 10 hours each, may
he travel 360 miles ? - - Ans. 9f-f days,
5. A wall which was to be built to the height of 27 feet,
was raised to the height of 9 feet by 12 men in 6 days ; how
many men must be employed to finish the wall in 4 daysj
at the same rate of working ? - - Ans. 36 meni
6. If the price of 10 ounces of bread, when the corn is at
4s 3d per bushel, be 3£d, what must be paid for 2 lb 3 6i
when the corn is 5s per bushel ? - Ans. 11 TV/<
7. What is die interest of 340/ for years, at A per
cent, per annum ? « - Ans. 38/ 5s,
8. If 120 bushels of com can serve 14 horses 56 daySj
how many days will 94 bushels serve 6 horses ?
Ans. 1021-5. days.
9. If 7 oz 5 dwts of bread be bought at 4-|d, when corn
is at 4s 2d per bushel, what weight of it may be bought
for Is 2d, when the price of the bushel is 5s 6d ?
Ans. 1 lb 4 or. 3-Ji?r dwts.
10. If th{ carriage of 13 cwt 1 qr for 72 miles be 2i
10s 6d, what will be the carriage of 7 cwt 3 qrs for IIS
miles ? - - - - Ans. 2/ 5s 11 1 ttV?*
11. What is the interest of 300/ for 5 weeks, at 5/pei
Cent, per annum ? - Ans. 1/ 8s 10T^d,
12. If 3000 lb of beef serve 340 seaman 15 days, how
fnany lb will serve 120 seamen 25 days ?
Ans. 1764 lb 11 oz.