Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and Practical System of Arithmetick Adapted to the United States |
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Page 96
... worth ? As 5 : 781,25 :: 16 : $ 2500 Ans . 39. If I buy 54 yards of cloth for 31. 10s . what did it cost per Ell English ? Ans . 14s . 7d . 40. Bought of Mr. Grocer , 11 cwt . 3 qrs . of sugar , at 8 dollars 12 cents per cwt . and gave ...
... worth ? As 5 : 781,25 :: 16 : $ 2500 Ans . 39. If I buy 54 yards of cloth for 31. 10s . what did it cost per Ell English ? Ans . 14s . 7d . 40. Bought of Mr. Grocer , 11 cwt . 3 qrs . of sugar , at 8 dollars 12 cents per cwt . and gave ...
Page 123
... worth . Or as the amount of 100 is to 100 so is the given sum or debt to the present worth . PROOF . Find the amount of the present worth , at the giver rate and time , and if the work is right , that will be equal to the given sum ...
... worth . Or as the amount of 100 is to 100 so is the given sum or debt to the present worth . PROOF . Find the amount of the present worth , at the giver rate and time , and if the work is right , that will be equal to the given sum ...
Page 124
... worth of each particular payment separately , and when so found , add them into one sum . EXAMPLES . 7. What is the discount of 7567. the one half payable in six months , and the other half in six months after that , at 7 Ans . £ 37 10s ...
... worth of each particular payment separately , and when so found , add them into one sum . EXAMPLES . 7. What is the discount of 7567. the one half payable in six months , and the other half in six months after that , at 7 Ans . £ 37 10s ...
Page 125
... worth of an annuity at simple interest . RULE . Find the present worth of each year by itself , discounting from the time it falls due , and the sum of all these present worths will be the present worth required . EXAMPLES . 1. What is ...
... worth of an annuity at simple interest . RULE . Find the present worth of each year by itself , discounting from the time it falls due , and the sum of all these present worths will be the present worth required . EXAMPLES . 1. What is ...
Page 127
... worth 65 cts . per bushel , and the balance in oats at 40 cts . per bushel ; what quantity of oats did A receive from B ? Ans . 287 bushels . 10. A hath linen cloth worth 20d . en ell ready money ; but in barter he will have 2s . B hath ...
... worth 65 cts . per bushel , and the balance in oats at 40 cts . per bushel ; what quantity of oats did A receive from B ? Ans . 287 bushels . 10. A hath linen cloth worth 20d . en ell ready money ; but in barter he will have 2s . B hath ...
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Common terms and phrases
acres annuity annum answer Anthony Billings arithmetical series Bought breadth bushels ciphers compound interest contain decimal demand diameter dimes ditto Divide dividend divisor dols duct equal EXAMPLES farthings federal money figures find the value gain gallon gals given number given sum gross guineas hundred improper fraction inches Joseph Hastings least common multiple left hand lowest terms measure merchant miles millions mills milreas months multiplicand Multiply neat weight New-England currency New-London New-York NOTE number of terms paid payment pence piece pound pound sterling present worth principal quotient rate per cent ratio ready money Reduce remainder Required the interest right hand rods Rule of Three separatrix shillings sold solid feet square root sterling subtract sugar TABLE tare Thomas Grosvenor thousand tret TROY WEIGHT tuns VULGAR FRACTIONS whole numbers wine yards cost
Popular passages
Page 162 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
Page 162 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add- it to the principal, and compute the interest on the sum paid, from the time it was paid up to the end of the year; add it to the sum paid, and deduct that sum from the principal and interest, added as above...
Page 190 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Page 154 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Page 185 - The first term, the last term (or the extremes) and the ratio given, to find the sum of the series RULE. Multiply the last term by the ratio, and from the product subtract the first term...
Page 4 - Obligation to be void, otherwise to remain in full force and virtue.
Page 124 - When the debtor keeps the annuity in his own hands beyond the time of payment, it is said to be in arrears. The sum of all the annuities for the time they have been foreborne, together with the interest due on each, is called the amount.
Page 177 - Alligation Alternate. ALLIGATION MEDIAL, Is when the quantities and prices of several things are given, to find the' mean price of the mixture compounded of those things.
Page 159 - The amount, principal, and rate per cent, given, to find the time. RULE. Subtract the principal from the amount; divide the remainder by the product of the ratio and principal; and the quotient -will be the time. EXAMPLES. 1. In what time will 950 dols. 75 cts. amount to 1235 dollars, 97,5 cents, at 6 per cent, per annum ? From the amount 81235,975 Take the principal 950,75 950,75x06=57,0450)285,2250(5 years, Ans.
Page 91 - Multiply the second and third terms together, and divide their product by the first term; and the quotient will be the answer to the question, in the same denomination you left the second term in, which may be brought into any other denomination required.