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3. What is the interest of £439 12 94 at £6 per cent. per annum, for 16 months ?

£

d. 439 12 9

8= the number of months.

s.

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d. 5108

4. What is the interest of £591 15 9 for 15 months, at £8 per cent. per annum ? £591 15 91

10=} the number of months,

£59117 17 8.1

20

s. 3157

12 d. 692

4 grs. 3170 5. What is the interest of 6347 7 54 at £4 per cent. per annum, for 15 months ?

£347 755

5= the number of months.

£ 1736 17 37

20

7137

I 2

d. 447

4

gr. 1.90

6. What

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6. What is the interest of £517 15 4 for one month, at £6 per cent. per annum ?

Ans. £2 11 91 7. Of £457 12 81 for 2 months, at 6 per cent. per annum ?

Ans. £4 11 61 8. Of £347 5 9 for 3 months, at £6 per cent. per annum :

Anfo £ 5 4 2 9. Of £397 19 for 4 months, at £6 per cent. per annum ?

Anf. £7 19 2 10. £508 10 51 for 5 months, at £6 per cent. per annum ?

Anf. {12 14 31 II. 6719 19 4 for 6 months, at £6 per cent. per annum ?

Anf. 21 II 1} 12. £396 5. 10 for 7 months, at £6 per cent. per annum ?

Ans. £ 13 17 41 13. £517 II n for 8 months, at £6 per cent. per annum ?

Anf. 20 14 0 14. £245 5 3% for 9 months, at £6 per cent. per annum ?

Ant £1109 15. £195 15 5 for 10 months, at 26 per cent. per annum?

Anj. £9 15 9? 16. £148 12 6; for 11 months, at £5 per cent. per annum ?

Anf. 68 3 5} 17. £509 9 2 for 13 months, at £6 per cent. per annum ?

Ans. £ 33 2 33 18. £317 17 81 for 14 months, at £6 per cent. per annum ?

ains. £ 22 501 19. £443 10 3 for 15 months, at £6 per cent. per annum?

Anf. £33 5 3 20. £293 7 9 for 16 months, at £6 per cent. per annum ?

Ans. £23 9 5 21. Z333 13 34 for 17 months, at £6 per cent. per annum?

Anj: £ 28 7 2 22. £517 6 6 for 18 months, at £, 6 per cent.

per annum ?

Anf. £46 11 2 23. £ 347 11 71 for 19 months, at £6 per cent. per apnum?

Anf. 33 O 43 24. 6419 12 5 for 20 months, at £6 per cent. per annum ?

Anfi £41 19 21 25. £537 13 51 for 16 months, at £9 per cent. per annum ?

Anf. £64 10 43 26. £ 1 for 1 year, at 6 per cent.,per annum ?

Anf. is. 2d. 10qr.

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SIMPLE INTEREST BY DECIMALS. A Table of Ratios, from one pound, &c. to seven

pounds. Rate per Cenz Ratio: Rate percent Ratios Rate Der Cent|Rarios 101 3 1,03

5 1.05
15 1,0125)

3*
1,0325

5. 1,0525
I
1,015

32
1,035

1,055 1,0175 3+

1,0375 5* 130575 4 1,04

1,06 120225 47

30425 64 1,0625 1,025

1,045 67 1,065 2} 1,0275 41

1,0475 6 1,0675 Ratio is the fimple interest of. £o i for year, at the rate per cent. agreed on. A TABLE for the ready finding of the decimal parts of a year,

equal to any number of days, or quarters of a year. Days Decimal pts. ID. Decimal pts. Days Decimal pts.

,00274 110 ,027397 100 ,273973
,005479 20 ,054794

1547945
3
,008219 30 ,082192

300 ,821918
,010959 140,100589 365 1,000000
,013699 50 ,136986

of a year=,25 6 ,016433 60, ,164383

of a year=95 7 ,019178 170 ,191781

of a year=275 8 ,021019

801 ,219178 91:024657 190,246575

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2

200

4

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CA The principal, time and ratio are given, to find the interest, commission, brokerage, &c. to which add the principal, and the sum will be the amount.

anit amount. Rule.--Multiply the principal, time and ratio continually together, and the lait product will be the interest,

commission,

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1. Required the amount of £537 ios. at £ 5 per cent. per annum, for 5 years ?

Principal 537,5
Multiply by the ratio =,06

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2.

15,00 Anf. £.698 155. Or, 537,5 %,06x5+537,5= £698 155.

What is the fimple interest of £917 16s. at £ 5 per cent. per annum, for 7 years ?

Anf. £321 4s. ;d. 3.

What is the amount of £235 35. ed. at £ 5. per cent. per annum, from March 5th, 1794, to November 234, 1794 ?

Answ. £244 os. 8 d. 4. If my correfpondent is to have £2 per cent. What will his commiffion on £785 155. amount to?

Antw. £19 125. 101d. 5. If a broker disposes of a cargo for me, to the amount of £137 1os. on conmiflion at £ 13 per cent. and procures me another cargo of the value of £817 155. on commission at L 13 per cent. What will his commission, on both cargoes, amount to?

Answ. £22 55. 7d.

CA S E

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