 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
 | Mathematics - 1801 - 446 pages
...finding the rate of the 'compound, from having the rates and quantities of the sev* eral simples given, RULE.* ' Multiply each quantity by its rate ; then...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... | |
 | Samuel Webber - Mathematics - 1808 - 466 pages
...into two principal cases, called Alligation medial and Alligation alternate. .... ALLIGA TION MEDIAL. 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.... | |
 | Edward Augustus Kendall - Encyclopedias and dictionaries - 1811 - 962 pages
...of 1 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. 6di Answer. f, H •-.-. lo 7()... | |
 | Edward Augustus Kendall - 1811 - 462 pages
...of 1 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 Answer. » » 7 &c. Ex. in alligation... | |
 | Charles Hutton - Mathematics - 1811 - 406 pages
...quantities together into another sum ; then divide the former sum by the latter, that is, the sum of the products by the sum of the quantities, and the quotient will be the rate or quality of the composition required. EXAMPLES. 1. If three sorts of gunpowder be mixed together,... | |
 | Charles Hutton - Mathematics - 1812 - 620 pages
...quantities together into another sum ; then divide the former sum by the latter, that is, the sum of the products by the sum of the quantities, and the quotient will be the rate or quality of the composition required. EXAMPLES. 1. If three sorts of gunpowder be mixed together,... | |
 | Samuel Webber - Arithmetic - 1812 - 260 pages
...the rates and quantities of the several simples given. RULE.* Multiply each quantity Ly its rale ; 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.... | |
 | 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
...rate, or price of the com* paund, by having the rates and quantities of the several simples given. RULE. Multiply each quantity by its rate ; then divide...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... | |
 | Charles Hutton - Mathematics - 1822 - 616 pages
...quantities together into another sum ; then divide the former sum by the latter, that is, the sum of the products by the sum of the quantities, and the quotient will be the rate or quality of the composition required. EXAMPLES. If three sorts of gunpowder be mixed together, viz.... | |
| |
