| Alexander Malcolm - Algebra - 1730 - 702 pages
...— 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... | |
| Charles Vyse - Arithmetic - 1785 - 350 pages
...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.... | |
| William Taylor (teacher of the mathematics.) - Arithmetic - 1800 - 556 pages
...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... | |
| Charles Vyse - Arithmetic - 1806 - 342 pages
...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... | |
| Thomas Tucker Smiley - Arithmetic - 1825 - 224 pages
...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... | |
| Thomas Conkling (W.) - Arithmetic - 1831 - 302 pages
...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... | |
| Francis Walkingame - 1835 - 270 pages
...(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... | |
| Charles Potts - Arithmetic - 1835 - 202 pages
...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.... | |
| Arithmetic - 1838 - 218 pages
...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... | |
| mrs. Henry Ayres - Arithmetic - 1843 - 470 pages
...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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