When the divisor is large, a table may be formed of the products of the nine digits, (either by multiplying or successively adding) by which, the quotient figures to the several dividends, may be readily found, thus, When the divisor is a composite number, that is, if any two figures, being multiplied together, will make that number, then divide the dividend by one of those figures, and the first quotient by the other figure, and it will then give the quotient required.-But as it sometimes happens that there is a remainder to each of the quotients, and neither of them the true one, it may be found by this RULE. Multiply the first divisor by the last remainder, and to the product add the first remainder, which will give the true one. When the price of a ton or 2240 lbs. of Old Sable iron is € 112, how much is it per lb. ? To divide by mixed numbers, or a whole number and a fraction. RULE. Reduce the divisor and dividend into the same name, and divide as usual, if there is a remainder, reduce it to its value in integers. EXAMPLES. In 346 yards how many perches of 5 yards each? How many perches or poles of 16 feet each in 17901 feet? When the divisor is 10, 100, 1000, &c. the figures of the dividend, that remain after pointing, give the quotient or answer without dividing, and in this way, mills and cents are reduced to dollars, by pointing off in the dividend for the ciphers in the divisor, for dollars. EXAMPLES. In 16875 mills how many dollars of 1000 mills each? 1,000)16,875 Ans. $16,87 cts. 5 mills. In 18768 cents how many dollars of 100 cents each? 1,00)187,68 Ans. $187,68 cents. PRACTICAL QUESTIONS IN FEDERAL MONEY. 1. How much will 1875 lbs. amount to at 9 mills per lb.? 1875 16875 mills. Ans. $16,87 cts. 5 mills. 3. What will 57 barrels of flour come to at $5 per barrel? 57 2. At 12 cents per lb. how much will 1564 lbs. of sugar come to? |