 | Mathematics - 1801 - 446 pages
...rates and quantities of the sev* eral 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, * The truth of this rule is too evident to need a demonstration. NOTE. If... | |
 | Edward Augustus Kendall - 1811 - 462 pages
...lb. of the mixture. Rule. Multiply each quantity by its rate and add all the products together, then divide the sum of the products, by the sum of the quantities, and the quotient will be the rate sought. Thus in the example, Ib. «. 8 6 II 48 and 14) 78 (5s. 6rfJ... | |
 | Edward Augustus Kendall - Encyclopedias and dictionaries - 1811 - 962 pages
...lb. of the mixture. Rule. Multiply each quantity by its rate and add all the products together, then divide the sum of the products, by the sum of the quantities, and the quotient will be the rate sought. Thus in the example, lb. s. 6 CX 5K — !«and 14) 78 (St.... | |
 | Jeremiah Joyce - Arithmetic - 1812 - 274 pages
...of several quantities of different values. RULE. Multiply each quantity ly its respective value, and divide the sum of the products by the sum of the quantities. •Ex. 1. A tea-dealer mixes 31 cwt. of tea, at '9s, per Ib., with 2 cwt. at Is., and 41 cwt. at 5s.... | |
 | Arithmetic - 1818 - 264 pages
...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, the quotient will be the rate of the compound required. EXAMPLES. 1. Suppose 15 bushels of rye, at 64 cts. pr. bushel, 18 bushels... | |
 | 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 at the mean price, and... | |
 | 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 need a demonstration ; for... | |
 | William Kinne - 1829 - 246 pages
...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 of wheat at $1.20... | |
 | 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 of wheat at $1.20 per... | |
| |
RULE. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities. 
