 Prove one of the following rules of mental arithmetic in such a way as to make it intelligible to a class of children. 1. To find the value of 144 things in shillings, multiply the price in farthings by 3. 2. To find the interest of any sum of money for...  Mental Arithmetic Simplified - Σελίδα 33των T. Pigott - 1838 - 48 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Charles Vyse - 1806 - 342 σελίδες
...Cent. for 12 Months, called Annum. The Amount is the Principal and Interest added together. Case 1. To find the Interest of any Sum of Money, for any Number of Yean. RULE. Multiply the Principal by the Rate per Cent. ; that Product, divided by 100, will give... | |
 | Charles Vyse - 1815 - 340 σελίδες
...brokerage, insurance, purchasing of stocks, er any thing else, that is rated at so much per cent. Case I. To find the interest of any sum of money, for any number of years. RULE. Multiply the principal by the rate per cent. ; that product, divided by I.»0, "-ill give... | |
 | 1818 - 264 σελίδες
...What is the interest of g 300 for one year, at 6^ pr. cent* pr. annum ? Ans. g 1 8 75 cts. CASE IV. To find the interest of any sum of money, for any number of •years and parts of a year. 1. Find the interest for 1 year, and multiply thi» by the given fcumber... | |
 | W. H. Crank - 1843 - 338 σελίδες
...-5!j. We therefore divide by '' „ofo 20,and obtain 28/- 6*- 8d- for interest. 2o о 8 RULE 2. — To find the Interest of any Sum of Money for any Number of Years. Find the interest for 1 year, and multiply it by the number of years ; the product is the interest.... | |
 | Henry Tendall - 1846 - 58 σελίδες
...£95 at 2£ per cent. for 1 year ? £95 5 = double the rate 49|5 = £2..9..6 Ans. PROPOSITION XXVI. To find the interest of any sum of money for any number of years, at any rale per cent. RULE. Multiply the given amount by double the rate per cent. ; cut off... | |
 | 1852 - 316 σελίδες
...children : 1. To find the value of 144 things in shillings. Multiply the price in farthings by 3. 2 To find the interest of any sum of money for any number of months at any rate per cent. Count one penny for each £10 in the principal; then multiply by the number... | |
 | 1852 - 512 σελίδες
...children. 1. To find the value of 144 things in shillings, multiply the price in farthings by 3. 2. To find the interest of any sum of money for any number of months at any rate per cent., count one penny for each £10 in the principal, then multiply by the... | |
 | Sir James Kay-Shuttleworth - 1853 - 524 σελίδες
...children. 1. To find the value of 144 things in shillings, multiply the price in farthings by 3. 2. To find the interest of any sum of money for any number of months at any rate per cent., count one penny for each 101. in the principal, then multiply the number... | |
 | South Kensington Museum - 1857 - 772 σελίδες
...Price is Pence; (2) Interest for Months at 9 per cent., at '-'} per cent., at U per cent., tic. 4. To find the Interest of any sum of Money for any number of Months at 6 per cent., at 3 per cent., at 2 per cent., at i л per cent., at 4 per cent. In 12mo. price... | |
 | William Alfred Browne - 1863 - 486 σελίδες
...nnmber of months at any rate per cent, per annnm . . 288 SIMPLE INTEREST — Continued. nu. To fl ml the interest of any sum of money for any number of days at 5 per cent., or at 4 per cent. . . 284 To find the interest at any given rate for a given number of days .. .. ..... | |
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