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

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Page 7

... Exchange Federal Money Subtraction of Fellowship Compound Fractions ,

Vulgar and Decimal Insurance Interest , Simple by Decimals Compound by

Decimals Inverse Proportion Involution Loss and

Application ...

... Exchange Federal Money Subtraction of Fellowship Compound Fractions ,

Vulgar and Decimal Insurance Interest , Simple by Decimals Compound by

Decimals Inverse Proportion Involution Loss and

**Gain**Multiplication , SimpleApplication ...

Page 104

If a man lays out 121 , 23 in merchandize , and thereby

how much will he

cents , Ag 12123 : 3951 : : 1200 1200 -cts . Scts . 1212 ? ) 4741200 ( 391 = 3,91 ...

If a man lays out 121 , 23 in merchandize , and thereby

**gains**39 dollars , 51 cts .how much will he

**gain**by laying out 12 dollars at the same rate i Cents . cents .cents , Ag 12123 : 3951 : : 1200 1200 -cts . Scts . 1212 ? ) 4741200 ( 391 = 3,91 ...

Page 106

A merchant bought a bale of cloth containing 240 yards , at the rate of 75 dollars

for 5 yards , and sold it again at the rate of 11 dollars for 7 yards ; did he

iose by the bargain , and how much ? Ans . He gained $ 25 , 71cts . 4mot per

yard ...

A merchant bought a bale of cloth containing 240 yards , at the rate of 75 dollars

for 5 yards , and sold it again at the rate of 11 dollars for 7 yards ; did he

**gain**oriose by the bargain , and how much ? Ans . He gained $ 25 , 71cts . 4mot per

yard ...

Page 107

Bought a pipe of wine for 84 dollars , and found it had leaked out 12 gallons ; I

sold the remainder at 123 cents a pint ; what did I

30 . 48. A gentleman bought 18 pipes of wine at 12s . 6d , ( New Jersey currency

) ...

Bought a pipe of wine for 84 dollars , and found it had leaked out 12 gallons ; I

sold the remainder at 123 cents a pint ; what did I

**gain**or lose ? Ans . I gained $30 . 48. A gentleman bought 18 pipes of wine at 12s . 6d , ( New Jersey currency

) ...

Page 109

If 1001. in 12 months

months ? Ans . £ 150 . 8. If it men can build a house in 5 months , by working 12

hours per day — in what time will the same number of men do it , when they work

...

If 1001. in 12 months

**gain**6l . interest , what princi . pal will**gain**the same in 8months ? Ans . £ 150 . 8. If it men can build a house in 5 months , by working 12

hours per day — in what time will the same number of men do it , when they work

...

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### Common terms and phrases

acres added allowing amount annuity annum answer Bought Bring bushels called cent cloth common contain continue cost cube currency cyphers decimal Deduct demand denominator difference Divide dividend divisor dollars dols English equal EXAMPLES farthings federal money feet figure Find the value fraction gain gallon give given given number given sum gross half hundred inches interest least left hand length less loss measure merchants method miles mills mixed months Multiply New-York paid payment pence period piece pound present worth principal proportion quantity question quotient ratio received Reduce remainder right hand RULE sell share shillings simple sold solid sort square root sterling subtract sugar Table tare term third thousand unit whole whole number wine yards

### Popular passages

Page 174 - 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 190 - IS the method of finding what quantity of each of the ingredients whose rates are given, will compose a mixture of a given rate ; so that it is the reverse of Alligation Medial, and may be proved by it. CASE I. When the mean rate of the whole mixture, and the rates of all the ingredients are given, without any limited quau

Page 40 - RULE.* 1. Place the numbers so that those of the same denomination may stand directly under each other. 2. Add the first column or denomination together, as in whole numbers; then divide the sum by as many of the same denomination as make one of the next greater...

Page 184 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.

Page 180 - ... it at the right hand of the given number, (after the manner of a quotient in division) for the first figure of the root, and the square number under the period, and subtract it therefrom, and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor.

Page 220 - To measure a parallelogram or long square. RULE.— Multiply the length by the breadth, and the product will be the area, or superficial content, in the same name as that in which the dimension was taken, whether inches, feet, or rods, etc.

Page 180 - ... subtract it therefrom, and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...

Page 211 - A hare starts 40 yards before a grey-hound, and is not perceived by him till she has been up 40 seconds : she scuds away at the rate of...

Page 228 - In the same manner multiply all the multiplicand by the inches, or second denomination, in the multiplier, and set the result of each term one place removed to the right hand of those in the multiplicand.

Page 238 - Obligation to be void, otherwise to remain in full force and virtue.