| Mathematics - 1801
...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... | |
| James Noyes - Arithmetic - 1808 - 152 pages
...times, so that neither party may be a loser. RULE. Multiply each payment by the time at which it is due, **and divide the sum of the products by the sum of the** payments; the quotient will be the equated time. EXAMPLES. 1. A owes B 228O dollars, to be paid as... | |
| James Thompson - Arithmetic - 1808 - 172 pages
...the whole debt to do wflich the following is the common RULE — Multiply each payment by its time, **and divide the sum of the products by the sum of the.** payments ; the quoticut will be the equated tint«. EXAMPLES. 1. A. owes B. g600 to pay at 40 days,... | |
| Daniel Adams - Arithmetic - 1810 - 180 pages
...find the mean time for several payments, — RUt.E : — Multiply each sum by its time of payment, **and divide the sum of the products by the sum of the** payments, and the quotient will be the answer. Note. This rale is founded on the supposition, that... | |
| Edward Augustus Kendall - 1811
...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
...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 - 258 pages
...either to the holder or receiver. "Rtit'E. Multiply each payment by the time at which it becomes due, **and divide the sum of the products by the sum •of the** payments, and the quotient will be the medium time required. Ex. 1. I have to receive £967 in notes,... | |
| Arithmetic - 1818 - 251 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,...quotient will be the rate of the compound required.** EXAMPLES. 1. Suppose 15 bushels of rye, at 64 cts. pr. bushel, 18 bushels of corn, at 55 cts. pr. bushel,... | |
| George G. Carey - Arithmetic - 1818 - 574 pages
...either to debtor or creditor. RULE. Multiply each sum by the time it has to run, before it be due, **and divide the sum of the products by the sum of the** debU. The quotient is the equated time of payment*. EXAMPLE. A merchant owes £89., due this day, 1st... | |
| Thomas Keith - Arithmetic - 1822 - 332 pages
...Multiply the first supposition by the second error, and the second supposition by the first error, **and divide the sum of the products by the sum of the** errors, if they are differently marked ; or the difference of the products by the difference of the... | |
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