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The teachers assistant. Or, A system of practical arithmetic; wherein the several rules of that useful science, are illustrated by a variety of ... money. The whole designed to abridge the - Softcover
Synopsis
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1811 edition. Excerpt: ...On a mortgage for 1256 dollars there is 4 years interest due, at 6 dollars per cent, pep annum, which is to be paid with the principal; what sum will discharge the debt? Ans. g 1557.44. CASE 4. When the given time is months, weeks, 6r days, leis, or trftSre than a year. K RULE. As the months, weeks, or days in a year, Are to the interest of the given sum for one year; So are the months, weeks, or days in the given time, To the interest required. Or, take parts of the yearly interest for the aliquot parts of a year that are in the given time, and add the interest for the odd days (if any) found by the Rule of Three. EXAMPLES. 1. What is the interest of 350L. for 3 years and 10 months, at 6L. per cent. per annum? Ans. 80L. 10s. L. m M. L. Y. M. 350 12: 21:: 3 10 6 46 12 80 L. 10s. 2. What is the interest of 150L. 19s. for 3 years and 4 months, at 6L. per cent. per annum i Ans. 30L. 3s. 9d. 3. What is the interest of 57L. 17s. 8d. for 3 months, at 6L. per cent. per annum? Ans. 17s. 4£d. 4. What is the interest of 7500 dollars for 4 months, at 7 dollars per cent. per annum? Ans. 8 175.00. 5. What is the interest of 400L. for 1 week, at 5L. per cent. per annum? Ans. 7s. 8Ad.+ 6. What is the interest of 126L. 12s. for 16 weeks, at 4£L. per cent. per annum? Ans. 1L. 15s. 0d.+ 7. What is the interest of 250L. for 73 days, at 7L. per cent. per annum? Ans. 3L. 10s 8. What is the interest of 500L, for 146 days, at 6L. per cent. per annum? Ans. 12Iy 9. What is the interest of 71L. 3s. 1 ld. for 1 year, 5 months, and 25 days, at 6L. per cent. per annum? Ans. 6L. 6s. 10d, 10. What is the amount oi a bond for 967 dollars for 2 years and 4 months, at 6 dollars per cent. per annum? Ans. g 1102.38-Nate i.--The interest of any sum for any number of...
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