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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.
The University Arithmetic: Embracing the Science of Numbers, and Their ... - Page 262
by Charles Davies - 1846 - 399 pages

## Introduction to the National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - Arithmetic - 1842 - 184 pages
...days, as before. Hence the following 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 true time required. 2. John Smith owes a merchant, in Boston, \$ 1000,...

Charles DAVIES (LL.D.) - Arithmetic - 1843 - 348 pages
...48, (the sum of the products,) by \$6, (the sum of the payments.) Hence, we have the following RULE. Multiply each payment by the time before it becomes...the payments : the quotient will be the mean time. 2. B owes A \$600 : \$200 is to be paid in two months, \$200 in four months, and \$200 in six months :...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1843 - 320 pages
...1. RECIPROCATE, [L. recipricus.] To exchange ; to interchange; to give and return mutually. several products by the sum of the payments; the quotient will be the mean or equitable time for the payment of the whole.* 11. A owes B \$200 to be paid in 6 months, \$300 in...

## Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - Arithmetic - 1843 - 254 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, \$120...

Charles Davies - Arithmetic - 1844 - 356 pages
...48, (the sum of the products,) by \$6, (the sum of the payments.) Hence, we have the following v RULE. Multiply each payment by the time before it becomes...the payments : the, quotient will be the mean time. 2. B owes A \$600 : \$200 is to be paid in two months, \$200 in four months, and \$200 in six months :...

Charles Davies - Arithmetic - 1844 - 358 pages
...payments.) Hence, we have the following RU1E. Multiply each payment by tJie time before it becomes dwe, and divide the sum of the products by the sum of the payments : the quotient will be the mean time. 2. B owes A \$600 : \$200 is to be paid in two months, \$200 in four months, and \$200 in six months :...

## Engineers' and Mechanics' Pocket-book ...

Charles Haynes Haswell - Engineering - 1844 - 298 pages
...11.34-5-7.56= 1.5 years, Ans. EQUATION OF PAYMENTS. Multiply ench sum by its time of payment in days, and divide the sum of the products by the sum of the payments. EXAMPLE.— A owes B \$300 in 15 days, \$60 in 12 days, and \$350 in 20 days ; when is the whole due .!...

## Introduction to The National Arithmetic: On the Inductive System; Combining ...

Benjamin Greenleaf - Arithmetic - 1844 - 208 pages
...days, as before. Hence the following 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 wiU be the true time required. 8. John Smith owes a merchant, in Boston, \$ 1000, \$250...