# The Schoolmaster's Assistant: Being a Compendium of Arithmetic Both Practical and Theoretical : in Five Parts ...

Daniel D. Smith, 1818 - 200 σεκΏδερ

### ‘ι κίμε οι ςώόστερ -”ΐμτανγ ξώιτιξόρ

Ρεμ εμτοπΏσαλε ξώιτιξίρ στιρ σθμόηειρ τοποηεσΏερ.

### –εώιεςϋλεμα

 The Introduction 48 Yf Practice 68 for Days 75 OF vulgar FRACTIONS 121 OF DECIMAL FRACTIONS 133
 Of the single Rule of Three 139 Of a Vulgar Fraction 147 QUESTIONS 179 OF DUODECIMALS 190 Subtraction s 191 Division 198

### Ργλοωικό αποσπήσλατα

”εκΏδα 25 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day...
”εκΏδα 8 - Decedents," and to repeal said original sections, -and to repeal sections one (1), two (2), three (3), four (4), five (5), six (6), seven...
”εκΏδα 166 - H 2400 dollars, of which 480 dollars are to be paid at present, 960 dollars at 5 months, and the rest at 10 months, but they agree to make one payment of the whole, and wish to know the time.
”εκΏδα 103 - If 7 men can reap 84 acres of wheat in 12 days ; how many men can reap 100 acres in 5 days ? If 84.-J.
”εκΏδα 152 - ... power, and call it the divisor. 5. Find a quotient figure by common division, and annex it to the root ; then involve the whole root into the given power, and call that the subtrahend. 6.
”εκΏδα 103 - ... but if the blank fall under the first or second term, the proportion is inverse ; then multiply the third and fourth terms together for a divisor, and the other three for a dividend, and the quotient will be the answer. EXAMPLES.
”εκΏδα 124 - To reduce a fraction of one denomination to the fraction of another, but less, retaining the same value. RULE. — Multiply the given numerator by the parts of the denominations between it and that denomination you would reduce it to, for a new numerator, which place over the given denominator : Or, only invert the parts contained in the integer, and make of them a compound fraction as before ; then reduce it to a simple one.
”εκΏδα 103 - If a man travel 240 miles in 12 days, when the days are 12 hours long, in how many days will he travel 720 miles, when the days are 16 hours long? Ans. 27 days.
”εκΏδα 104 - When it is required to find how many of the last sort of coin, weight or measure, mentioned in the question, are equal to a given quantity of the first, -v , RULE.
”εκΏδα 73 - Divide the interest last found by the time, and the quotient will be the rate per cent.