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" When the principal, amount, and time are given to find the rate per cent. "
Practical Arithmetic: In Four Books ... Extracted from the Large and Entire ... - Σελίδα 221
επεξεργασία από - 1813 - 348 σελίδες
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A New System of Arithmetick Theorical and Practical: Wherein the Science of ...

Alexander Malcolm - 1730 - 627 σελίδες
...— p. PROB. 7. Given the Amount, Principal and Rate, to find the Time. Rule. Take the Difièrence of the Amount and Principal, and divide it by the Product of the Principal and Rate, the Quote is the Time, Thus, í = ^=¿. Exam. Suppofc 4 = 276.75/. P = ^6. ras .05} then ¡3...

The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - 1785 - 325 σελίδες
...Annum ? 35. In what Time will 496/. 6s. 8J. amount to 6141. 3s. 1 1d. at 3 per Cent. per Annum ? 9. When the Principal, Amount, and Time, are given, to find the Rate per Cent. RULES. 1. Sny, as the Principal : is to the Intereft, fcr the whole Time : : lo is lool....

A Complete System of Practical Arithmetic, with Various Branches in the ...

William Taylor - 1800 - 519 σελίδες
...39 !2 Intereft ia|oo if 6 i2 : i :: 39 >2 ЛО 20 jji 132)792(6 Years, the Anfwer 792 С А ЕЕ 9. When the principal, amount, and time are given, to find the rate per cent. RULE, i . Say, as the principal is to the intereft for the whole time, fo is loo/, to the...

The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - 1806 - 320 σελίδες
...7s in 5\ Years ? (22) At what Rate per Cent. will 560/ 1& 8f </ gain 235/ 9s bd in 7 Years ? Cote 9. When the Principal, Amount, and Time are given, to...it by the Product of the Principal and Time : the Quote is the Rate. Thus, THEOREM 8.aH£= r. ft EXAMPLES. (23) At What Rate per Cent. will 284/ 10s...

The New Federal Calculator, Or, Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - 1825 - 180 σελίδες
...rule to find the principal when the amount, time, and rate per cent, are given. How do you proceed when the principal, amount, and time are given, to find the rate per cent ? How do you find the time, when the principal, amount, and rate per cent, are given ? What...

Conkling's Arithmetic: The Young Arithmetician's Guide to a Knowledge of ...

Thomas Conkling (W.) - 1831 - 275 σελίδες
...dollars? Ans. 800 dollars. Find the amount of 100 dollars, and proceed according to rule. CASE VIII. When the principal, amount and time are given, to find the rate per cent, RULE. Find thie interest for the whole time; this is done by subtracting the principal from...

Taplin's improved edition of Walkingame's Tutor's assistant. To which is ...

Francis Walkingame - 1835
...(45) In what time will £248 amount to £334 16, at 5 per cent. per annum ? Ans. 7 years. RULE XIV. When the principal, amount, and time are given to find the rate per cent. As the principal is to the interest for the whole time, so is £100 to the interest of the...

The New System of Practical Arithmetic: Whereby Most of the Various Problems ...

Charles Potts - 1835 - 180 σελίδες
...above we deduce the following concise rule. Annex two ciphers to the whole interest gained, and then divide it by the product of the principal and time —the quotient will be the rate per cent. per annum. First, f 1=$1.06 in 1 year. 5 What principal ami. 1.30 650 amt....

The Western Practical Arithmetic: Wherein the Rules are Illustrated, and ...

1838 - 204 σελίδες
...What is to be observed when the interest is at any other rate than G per cent.? How do you proceed, when the principal, amount, and ( time are given, to find the rate per cent.? How do you find the time, when the principal, amount, I and rate per cent, are given ? What...

Conversations on arithmetic

mrs. Henry Ayres - 1843 - 446 σελίδες
...1 : : 225 : 9 Answer. 18. In what time will 620/. amount to 793/. 12s., at 4 per cent. per annum ? When the principal amount and time are given to find the rate per cent. Rule. — As the principal is to the interest for the whole time, so is 100/. to the interest...




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