 | Frederick Emerson - Arithmetic - 1834 - 300 pages
...sum of 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 payable in 6 months, and 100... | |
 | Frederick Emerson - Arithmetic - 1835 - 300 pages
...sum of them by the sum of the debts. * RULE. Multiply each debt by the time' in which it w payable, and divide the sum of the products by the sum of the debts: tliti quotient will be the equated time. 1. Ifcl owe you 50 'dollars payable in 4 months, 75 dollars... | |
 | Charles Guilford Burnham - Arithmetic - 1837 - 266 pages
...75-r-15=5 months, the answer. Hence the RULE. Multiply each payment by the time when it becomes due, and divide the sum of the products by the sum of the payments, and the quotient will be the time required. 2. A merchant has owing him $420, to be paid... | |
 | 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... | |
 | Charles Davies - Arithmetic - 1838 - 292 pages
...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... | |
 | 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 payable in 6 months, and 100... | |
 | 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... | |
 | Calvin Tracy - Arithmetic - 1840 - 316 pages
...following rule : RULE. — Multiply each payment by the time which must elapse 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... | |
 | George Leonard (jr.) - Arithmetic - 1841 - 350 pages
...either debtor or creditor, merchants usually Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts. Though this method is inaccurate it is easy, and experiment shows it may be employed without much error,... | |
 | George Leonard - Arithmetic - 1841 - 354 pages
...either debtor or creditor, merchants usually Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts. Though this method is inaccurate it is easy, and experiment shows it may be employed without much error,... | |
| |
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. 
