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" RULE. Divide the given interest by the interest of the principal, for the given time, at 1 per cent., and the quotient will be the rate. "
A Treatise on Arithmetic, Combining Analysis and Synthesis: Adapted to the ... - Σελίδα 141
των James Stewart Eaton - 1857 - 355 σελίδες
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1839 - 356 σελίδες
...it take 1 year to gain $30, it will require to gain $120, igi° = 4 years Ans. Hence the following RULE. Divide the given interest, by the interest of the principal, for 1 year, and the quotient is the lime. 5. How long must $120 be on interest at 8J per cent. to amount...

A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - 1840 - 326 σελίδες
...cent. 1 Ans. 4 per cent. Prob. 37. Given the principal, rate per cent., and interest, to find the time. RULE. — Divide the given interest by the interest of the principal for one year ; the quotient will be the time. Ex. 1. Paid $108 interest on a note of $600. How long had...

The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 334 σελίδες
...it take 1 year to gain $30, it will require to gain $120, 1gj° = 4 years Ans. Hence the following RULE. Divide the given interest, by the interest of the principal, for 1 year, and the quotient is the time. 5. How long must $120 be on interest at 8J per cent. to amount...

Putnam's Arithmetic

Rufus Putnam - 1849 - 276 σελίδες
...gain $50, the rate must be as many times 1 per cent. as there are times $10 in $50. Ans. 5 per cent. RULE. Divide the given interest by the interest of the principal for the given time at 1 per cent. per annum ; the quotient will be the rate required. 2. At what rate per cent. must $200 be put on interest,...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1850 - 368 σελίδες
...= $ 30.00. Now, if it take 1 year to gain $ 30, it will require *ff- to gain $120, = 4 years, Ans. RULE. — Divide the given interest by the interest of the principal for 1 year, and the quottent is the time. 5. How long must $120 be on interest at 8£ per cent. to amount...

Normal Arithmetic: A Text-book, Theoretical and Practical, in Six Parts ...

Silas Lawrence Loomis - 1859 - 324 σελίδες
...cent., or see Art. 281. PROB. LXXX. — THE INTEREST, RATE, AND PRINCIPAL GIVEN, TO FIND THE TlME. RULE. — Divide the given interest by the interest of the principal for one year, or see Art. 282. PROB. LXXXI. — THE AMOUNT, RATE AND TIME GIVEN TO FIND THE PRINCIPAL....

The Common School Arithmetic: Combining Analysis and Synthesis; Adapted to ...

James Stewart Eaton - 1862 - 320 σελίδες
...RATE. Ex. 1. At what rate per cent, must $300 be put on interest to gain $18 in 2 years? ANALYSIS. $300, at 1 per cent., will gain $6 in 2 years ; .-.,...to gain $18, the rate must be the quotient of $18, -i- $6 = 3. Hence, RULE. Divide the given interest by the interest of the principal, for the given...

The Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - 1863 - 350 σελίδες
...$49.14, -which is 6 per cent. Hence we 8.19 Int. at \% have the following 49.14 -m = ^°'AnlB.ULE. — Divide the given interest by the interest of the principal for the given time, at ONE per cent. NOTE. — When the amount is given, find the interest by subtracting the principal from...

The Common School Arithmetic: Combining Analysis and Synthesis ; Adapted to ...

James Stewart Eaton - 1864 - 322 σελίδες
...RATE. . Ex. 1. At what rate per cent, must $300 be put on interest to gain $18 in 2 years? ANALYSIS. $300, at 1 per cent., will gain $6 in 2 years ; .-.,...to gain $18, the rate must be the quotient of $18 -^-$6=3. Hence, RULE. Divide the given interest by the interest of the princi~ pa!, for the given time,...

A Written Arithmetic, for Common and High Schools: To which is Adapted a ...

George Augustus Walton - 1864 - 364 σελίδες
...times. Ans. >>%>. Hence the RULE. To find the rate, when the interest, time, and principal are given : Divide the given interest by the interest of the principal for the given time at 1 per cent. EXAMPLES. At what tf0 wiN 1. $300 gain $40.80 in 1 y. 5 m. ? . Ans. 8%. 2. $100 gain $33J in 12 y....




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