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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 Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ... - Page 351
by Horatio Nelson Robinson - 1860 - 456 pages

## Rudimentary arithmetic

James Haddon - Arithmetic - 1849 - 144 pages
...payments, due at different times, should be paid at once. BULE. Multiply each payment by its time, and divide the sum of the products by the sum of the payments. PARTNERSHIP. Partnership or Fellowship is a method of finding the shares in the profit or loss of several...

## American Common-school Arithmetic ...

Rufus Putnam - Arithmetic - 1849 - 404 pages
...4050, which is 3f. Ans. 3.тo. 18 d. RULE. 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 ; the quotient it the equated time. 2. A man owed \$20 to be paid in 3 months, \$50 in 4 months,...

## Quarterly Journal of the Chemical Society of London, Volume 64, Part 2

Chemical Society (Great Britain) - Chemistry - 1893 - 820 pages
...combination of the acid and base. Multiply A into the equivalent weight of the acid, B into that of the base, and divide the sum of the products by the sum of the equivalents : call the quotient D. Subtract G from I) and multiply by 100/D. The percentuge loss or...

## The University Arithmetic: Embracing the Science of Numbers, and Their ...

Charles Davies - Arithmetic - 1850 - 412 pages
...the payments.) Hence, to find the mean time, Multiply each payment by the time before it becomes due, and divide the sum of the products by the sum of the payments : the quotient will be the mean time. EXAMPLES. 1. B owes A \$600: \$200 is to be paid in two months, \$200 in four months, and \$200...

## The Speedy Calculator: Being a System of Arithmetic

Benjamin Naylor - 1850 - 334 pages
...above illustration we infer the following 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, and the quotient will be the equated time. 2. E owes G \$2400, of which \$480 are to be paid at 5 months,...

## A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850 - 352 pages
...12j cts., the worth of 1 pound 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,...

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

Roswell Chamberlain Smith - Arithmetic - 1850 - 314 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...

## The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...the propriety of 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. A owes B \$ 300, of which \$ 50 is to be paid...