 | Charles Guilford Burnham - Arithmetic - 1837 - 266 pages
...Ibs.= 12J cts., the worth of 1 Ib. of the mixture. Hence the 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. EXAMPLES. 2. A grocer mixes sugar,... | |
 | Benjamin Franklin Foster - Accounting - 1837 - 224 pages
...business use the following general RULE. Multiply the amount of each debt by the time it has to run till it becomes due, and divide the sum of the products by the amount of the debt; the quotient is the average or equated time of payment. Thus the equated time of... | |
 | Charles Davies - Arithmetic - 1838 - 292 pages
...is the mean time for the payment of the whole ? OPERATION. We here multiply each sum 200 x 2 = 400 by the time at which it becomes due, and divide the sum of the products by the sum of the payments. 200x4= 800 200x6 = 1200 600 )24|00 Ans. 4 months. . 3. A merchant owes $600, of which $100 is to be... | |
 | Augustus De Morgan - Annuities - 1838 - 380 pages
...of 4 and 1, and the method of finding an average is this : multiply every observation by its weight and divide the sum of the products by the sum of the weights. Such a method was adopted before the theory of probabilities was applied to the subject, as... | |
 | Jason M. Mahan - Arithmetic - 1839 - 312 pages
...will be the true equated time. RULE 2. Multiply each several payment by the time it has to run : then divide the sum of the products by the sum of the payments ; the quotient will be the equated time, nearly. Examples. IA owes B. S1800, whereof S200 is to. be paid at 6 months, 8400 at... | |
 | Nathan Daboll - 1839 - 220 pages
...several debts, due at different times. RULE. Multiply each payment by the time at which it is due, then divide the sum of the products by the sum of the payments, and the quotient will be the answer. • . . EXAMPLES. 1. A owes B $380, to be paid $100 in 6 months,... | |
 | Frederick Emerson - Arithmetic - 1839 - 300 pages
...sum oi them by the sum of the debts. RULE. Multiply each debt by the time, in which it is payable, and divide the sum of the products by the sum of the debts: the quotient will be the equated time. 1. If I owe you 50 dollars payable in 4 months, 75 dollars... | |
 | Calvin Tracy - Arithmetic - 1840 - 326 pages
...therefore have the following rule : RULE. — Multiply each payment by the time which must elapst before it becomes due, and divide the sum of the products by the sum of the payments. 2. A. owes me $50, payable in 4 months ; $100, payable in 10 months ; and $150, payable in 16 months.... | |
 | Daniel Adams - Arithmetic - 1840 - 278 pages
...find the mean lime for several payments, — RULE • — 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 rule is founded on the supposition, that what is gained... | |
 | Benjamin Franklin Foster - 1840 - 148 pages
...business use the following general RULE, Muliiply the amount of each debt by the time it has to run till it becomes due, and divide the sum of the products by the amount of the debt > the quotient is the average or equated time of payment. Thus the equated time... | |
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Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit. 
