 | Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...should multiply this sum by 2, 3, or more, as the case may require; hence we have the following GENERAL RULE. Multiply the principal by the rate per cent., and that product by the time, (a year being the unit,) and divide by 100. Let the pupil remember that this is a general and... | |
 | Arithmetic - 1846 - 258 pages
...the interest. RULE. — (i) Multiply the principal by the rate per centand that product by the numbej of years; the last product pointed, according to the...the answer for that time, in dollars and parts of a dollar. Question. — 1. When the principal and rate per cent, are given, bow do you find the interest?... | |
 | Arithmetic - 1847 - 292 pages
...principal and rate given to find the interest. ROLE. — (i) Multiply the principal hy the rate per centand that product by the number of years; the last product...the answer for that time, in dollars and parts of a dollar. Question — l.When the principal and rate per cent, are given, how do you find the interest'!... | |
 | John Ramsay McCulloch - Commerce - 1852 - 882 pages
...for one year by the number of years ; or, without calculating its interest for one year, multiply Ihe principal by the rate per cent, and that product by the number of years, and divide the last product by 100. When the interest of any sum is required fur a number of days,... | |
 | 1857 - 802 pages
...in both. The old rule for computing interest, when the time is expressed in years, reads thus :— " Multiply the principal by the rate per cent, and that...product by the number of years ; the last product will give the interest." If we represent the principal by p, the rate by r, the time by t, the interest... | |
 | Commerce - 1857 - 802 pages
...in both. The old rule for computing interest, when the time ia expressed in years, reads thus:— " Multiply the principal by the rate per cent, and that...product by the number of years ; the last product will give the interest." If we represent the principal by p, the rate by r, the time by t, the interest... | |
 | Freeman Hunt, Thomas Prentice Kettell, William Buck Dana - Commerce - 1857 - 820 pages
...in both. The old rule for computing interest, when the time is expressed in years, reads thus:— " Multiply the principal by the rate per cent, and that...product by the number of years ; the last product will give the interest" If we represent the principal by p, the rate by r, the time by t, the interest... | |
 | John Greig - 1858 - 116 pages
...a year at 5 per cent. ? Answer, 1050?. II. To find the interest of any given sum for several years. RULE. Multiply the principal by the rate per cent.,...that product by the number of years, the last product divided by 100 will give the answer. 1. What is the interest of 25XW. for 6 years, at 4 per cent. ?... | |
 | Hoy D. Orton - Mathematics - 1866 - 202 pages
...important and useful branch of business calculations : PROPOSITION 1. ff the time consists of years, multiply the principal by the rate per cent., and that product by the number of years. EXAMPLE 1. — Find the interest of 875 for 4 years at 6 per cent. Operation. $75 The decimal for 6... | |
 | Hoy D. Orton - Ready-reckoners - 1871 - 202 pages
...important and useful branch of business calculations : PROPOSITION 1. If the time consists of years, multiply the principal by the rate per cent, and that product by tht number of years. EXAMPLE 1. — Find the interest of $75 for 4 years at 6 per cent. Operation.... | |
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RULE. Multiply the principal by the rate per cent, and •that product by the number of years : the last product... 
