 RULE. Multiply each quantity by its rate ; then divide the sum of the products by the sum of the quantities, or the whole composition, and the quotient will be the rate of the compound required.  A system of arithmetic - Page 36by John Husband (math. master, Berwick.) - 1841Full view - About this book
 | Thomas Keith - Arithmetic - 1822 - 354 pages
...the quantities of the mixture by the respective rates, or prices, reduced to one denomination, and divide the sum of the products by the sum of the quantities, the quotient will be the mean rate, or price. The method of proof . Find the whole value of the mixture... | |
 | Leonard Pierce - Arithmetic - 1823 - 170 pages
...for which we have the following rule. Multiply each quantity by its rate, and divide the sum of their products by the sum of the quantities, 'and the quotient will be the rate of the compound required. If I mix 20 bushels of wheat at gl, per bushel, 1 6 bushels of rye at 75 cents per bushel,... | |
 | James Mitchell - Mathematics - 1823 - 666 pages
...simple ingredients given. Rule. Multiply each quantity by its rate, and divide the sum of all these products by the sum of the quantities, and the quotient will" be the price or quality required. Exam. Require the value per gallon of brandy, made up of the following composition... | |
 | Zadock Thompson - Arithmetic - 1826 - 176 pages
...and quantities of the several commodities given. RULE.*— Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. * The truth of this rule is too evident to... | |
 | William Kinne - 1829 - 246 pages
...finding the rate of the compound, from having the rates and quantities of the several simples given. RULE. — Multiply each quantity by its rate ; then...sum of the products by the sum of the quantities, or the whole composition, and the quotient will be the rate of the compound required. EXAMPLES. 1.... | |
 | William Kinne - Accounting - 1831 - 248 pages
...of the compound, from having the rates and quantities of the several simples given. RULE—Multiply each quantity by its rate ; then divide the sum of the products by the sum of the quantities, or the whole composition, and the quotient will be the rate of the compound required. EXAMPLES. 1.... | |
 | Zadock Thompson - Arithmetic - 1832 - 186 pages
...precedmg example, it is called ALLIGATION MEDIAL. RULE. SOS. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. QUESTIONS FOR PRACTICE. • 2. If I mix 8 bushels... | |
 | Zadock Thompson - Arithmetic - 1832 - 186 pages
...preceding example, it is called ALLIGATION MEDIAL. RULE. 808. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. QUESTIONS FOR PRACTICE. 2. If I mix 8 bushels... | |
 | Francis Walkingame - 1833 - 204 pages
...being given, to find the mean price of the mixture. RULE. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities.* (1) A grocer mixed 4 cwl. of sugar, at 56.?. per cwt. with 7 cwt. at 43i. per cwl. and 5 cwt. at 37*.... | |
 | Samuel YOUNG (of Manchester.) - 1833 - 272 pages
...the several simples, to find the rate of the mixture. RULG. Multiply each quantity by its rate, and divide the sum of the Products by the sum of the quantities. (1) 8 Ibs. of sugar at 7d. per Ib. were mixed with 5 Ibs. at 8d. and 7 Ibs. at Is. Required the price... | |
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