 | Edward Brooks - Arithmetic - 1877 - 564 pages
...times in $105, or 6 per cent. Hence the 17.50 Int. at \%. following 105.00 17^ = 6 ^Rule.—Divide the given interest by the interest of the principal for the given time at one per cent. NOTE.—When the amount is given, subtract the principal from the amount to find the... | |
 | James S.. Eaton - 1877 - 342 pages
...per cent., will gain $12; .'-, to gain $36, the time in years must be the quotient of $36 -f- $1 2 = 3. Hence, RULE. Divide the given interest by the interest of the princi' pal for one year at the yiven rate, and the quotient will be the time. 2. How long must $254... | |
 | William James Milne - Arithmetic - 1877 - 402 pages
...$2? $1.50? 3. When $50, loaned at 10^, brings an income of $10, for how long a time was it loaned? RULE. — Divide the given interest by the interest of the principal for .one year. In what time will 4. $250 produce $30 interest at 6% ? 5. $600 produce $24 interest at 8^... | |
 | Edwin Pliny Seaver - 1878 - 376 pages
...may be derived the following Rule. To find the rate, having the interest, principal, and time given: Divide the given interest by the interest of the principal for the given time at 1% ; the quotient will be the number of the per cent. The above rule may be expressed by the formula :... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...in 2 years. Therefore, to gain $18, the rate must be the quotientof $184-$6=3; 3%, Ans. Hence, Bule. 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. Or, as (Art. 335), г = p X rxt, therefore p X t' 83. At what rate... | |
 | William Frothingham Bradbury - 1882 - 416 pages
...and Rate given, to find the Time. 97. For what time must $ 200 be on interest at 6 % to gain 1 36? Rule. Divide the given interest by the interest of the principal for one year at the given rate, and the quotient will be the time. Or, as (Art. 335), i=pXrXt, i therefore... | |
 | Joseph Ray - Arithmetic - 1880 - 420 pages
...as many times \<fc as $120 is contained times in $840, which is 7 times ; or, 7j&. Hence the rule. Rule. — Divide the given interest by the interest of the principal for the given time, at \%. EXAMPLES FOR PRACTICE. 1. At what rate per annum will any sum treble itself, at simple interest,... | |
 | Joseph Ray - Arithmetic - 1880 - 420 pages
...times in $150, which is 6} years, or 6 yr. 3 mo. From the preceding, the following rule is derived : Rule. — Divide the given interest by the interest of the principal for one year; the quotient is the time. REMARK. — If the principal and amount are given, take their difference... | |
 | William Frothingham Bradbury - 1881 - 404 pages
...gain $ 12 ; therefore, to gain 9 36, the time in years must he the quotient of $ 36 -i- $ 12 = 3, Ans. Hence, \ Rule. Divide the given interest by the interest of the principal for one year at the given rate, and the quotient will be the time. Or, as (Art. 335), i=pXrXt, i therefore... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1882 - 398 pages
...for 1 year 3 months is I28.12J. What is the rate per cent ? 266. Rule to find the Rate of Interest. 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. Representing the principal by p, the interest by i, the time by... | |
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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. 
