## Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and Practical System of Arithmetick Adapted to the United States |

### From inside the book

Page 44

17s.61d . Ans . £ 7181 2s . 5d . 16. How much does seven hundred and eight

pounds , exceed thirty - nine pounds , fifteen shillings and ten pence halfpenny ?

Ans . £ 608 4s . 11d . 17. From one hundred pounds , take four pence

.

17s.61d . Ans . £ 7181 2s . 5d . 16. How much does seven hundred and eight

pounds , exceed thirty - nine pounds , fifteen shillings and ten pence halfpenny ?

Ans . £ 608 4s . 11d . 17. From one hundred pounds , take four pence

**half**; penny.

Page 58

A privateer takes a prize worth 12465 dollars , of whicl the owner takes one

the officers one fourth , and the re . mainder is equally divided among the sailors ,

who are 125 ir number ; how much is each sailor's part ? Ans . $ 24 93 cts . 13.

A privateer takes a prize worth 12465 dollars , of whicl the owner takes one

**half**,the officers one fourth , and the re . mainder is equally divided among the sailors ,

who are 125 ir number ; how much is each sailor's part ? Ans . $ 24 93 cts . 13.

Page 60

5d . how many

many farthings ? Ans . 243648 . 9. In 41 guineas , at 28s . each , how many

pence ? Ans . 13776 . 10. In 59 pistoles , at 22s . how many shillings , pence and

...

5d . how many

**half**- pence ? Ans . 149962 . 8. In 846 dollars , at 6s . each , howmany farthings ? Ans . 243648 . 9. In 41 guineas , at 28s . each , how many

pence ? Ans . 13776 . 10. In 59 pistoles , at 22s . how many shillings , pence and

...

Page 61

Bring 74991

how many dollars at 6s . each ? Ans . $ 846 . 9. Reduce 13776 pence to guincas ,

at 28s . per guinea . Ans . 41 . 10. In 62304 farthings , how many pistoles , at ...

Bring 74991

**half**- pence into pounds . Ans . £ 156 1s.2 d . 8. In 243648 farthings ,how many dollars at 6s . each ? Ans . $ 846 . 9. Reduce 13776 pence to guincas ,

at 28s . per guinea . Ans . 41 . 10. In 62304 farthings , how many pistoles , at ...

Page 68

... how long would a cannon ball be , at that rate in flying from here to the sun ?

Ans . 22 yr . 216 d . 12 h . 40 m . * - * 11. The sun travels through o signs of the

zodiac in

deg .

... how long would a cannon ball be , at that rate in flying from here to the sun ?

Ans . 22 yr . 216 d . 12 h . 40 m . * - * 11. The sun travels through o signs of the

zodiac in

**half**a year ; how many degrees , minutes , and seconds ? Ans . 180deg .

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### Common terms and phrases

acres added allowing amount annum answer Bought Bring bushels called cent ciphers cloth common compound containing continue cost cube currency decimal demand denominator difference dimes Divide dividend divisor dollars dols equal EXAMPLES farthings federal money feet figure fraction gain gallon give given given number given sum greater gross half hundred inches interest left hand less loss lowest MEASURE merchant miles millions mills mixed months Multiply neat nine paid payment pence period piece pound present principal proportion quantity question quotient ratio received Reduce remainder right hand rods root RULE sell share shillings simple sold solid square stand sterling subtract sugar TABLE tare term third thousand units weight whole numbers wine worth yards

### 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 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.