 | John William Colenso (bp. of Natal.) - 1867 - 244 pages
...Thus £113 15 7 i £11 18 11 + Hence, to find the interest on any sum for any number of years, we have the following Rule. Multiply the principal by the rate per cent., and then by the number of years, and divide the result by 100. Ex. 40. (1.) Find 10 percent. on £27 13s.... | |
 | James Hamblin Smith, Thomas Kirkland - Arithmetic - 1877 - 376 pages
...i 2 6 7 SX 1 00 on $2675 for 3 years is $3x2G75x3. I 00 ' .'. the interest is $642. Hence we derive the following Rule : Multiply the Principal by the Rate per Cent., and the result by the Time expressed in years, and divide the product by 100. The process stands thus :... | |
 | Stoddard A. Felter, Samuel Ashbel Farrand - Arithmetic - 1877 - 496 pages
...the product of that sum multiplied by the rate per cent, multiplied by the number of years : hence the following : — RULE. — Multiply the principal by the rate per cent, and this product by the number of years. FORMULA. PxRXT=I. WRITTEN EXERCISES. 1. What is the interest of... | |
 | Clarence E. Paddock, Edward Ellsworth Holton - Arithmetic - 1920 - 250 pages
...found by subtracting T V of the common interest from itself. The usual method of finding interest is by the following rule: Multiply the principal by the rate per cent and this product by the time in years. Solution. $816 0.04 $32.64 ' interest for 1 year 2 years 5 months... | |
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... the following : — RULE. — Multiply the principal by the rate per cent, and this product by the number of years. 