The Teachers' Assistant, Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science are Illustrated by a Variety of Examples, a Large Proportion of which are in Federal Money : the Whole Designed to Abridge the Labour of Teachers, and to Facilitate the Instruction of Youth
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acres aliquot amount annuity annum answer Arithmetic Bought Bring bushels casks cent to cents cents per lb compound interest contained cube root cyphers decimal dividend divisor dollars per cent dols drams English ells EXAMPLES f s. d. Facit farthings Federal Money fourths furlongs gain gallons given number given sum hogsheads hundred weight improper fraction inches merchant miles mixed number months Multiply nails neat weight New-York number of terms ounces paid pecks pence Pennsylvania currency pennyweights pieces pint pounds present worth quarters quarts quotient rate per cent Reduce remainder Result roods Rule of Three s. d. f shillings ſº sold square root sterling Subtract sum or quantity TABLE tare TARE AND TRET TROY WEIGHT tuns VULGAR FRACTIONS whole numbers yards cost yards of cloth yards of linen yards of muslin
Página 147 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Página 132 - RULE. 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.
Página 172 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Página 163 - Bring down the first figure of the next period to the remainder for a new dividend, to which find a new divisor as before, and in like manner proceed till the whole be finished.
Página 74 - Set that term of the supposition which is ol the same name or kind with the term of demand, in the first place, set the other term of supposition in the second place, and the term of demand in the third place.
Página 169 - Suppose two numbers, and work with each agreeably to the tenor of the question, noting the errors of the results : multiply the errors of each operation into the supposed number of the other ; then, If the errors be alike, i.
Página 12 - Ans. 90. 5. A merchant bought of one person 50 barrels of flour for 300 dollars ; of another person, 75 barrels for 525 dollars ; and of another person, 125 barrels for 1000 dollars.