| John Bonnycastle - 1851 - 314 pages
...ingredients are given, to find the value of the compound. RULE.* Multiply each quantity by its rate ; then **divide the sum of the products by the sum of the quantities,** or the whole composition, and the quotient will be the rate of the compound required. EXAMPLES. (1.)... | |
| Isaac Ridler Butts - 1852 - 596 pages
...AVERAGE PAYMENT OF DIFFERENT PAYMENTS. 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— as follows : fiought at 4 months' credit. When is the equated time qf payment ? 1851. Anfl.... | |
| Charles Davies - 1852 - 346 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... | |
| William Frederick Greenfield - 1853 - 228 pages
...each ingredient, expressed in terms of the same unit, by the rates also expressed in the same unit ; **divide the sum of the products by the sum of the quantities ; the quotient will be the** price of an unit of quantity in terms of an unit of price. EXAMPLE. A wine merchant mixes 30 gallons... | |
| Daniel Leach - Arithmetic - 1853 - 626 pages
...mixture, when the price of each ingredient and the quantity are given, — RULE. Multiply each ingredient **by its price, and divide the sum of the products by the sum of the** ingredients. The quotient will be the price of the mixture. 1. A grocer mixed 10 pounds of tea worth... | |
| Ezra S. Winslow - Business mathematics - 1853 - 264 pages
...Multiply the weight of the several particles by the squares of their distances from the axis of motion, **and divide the sum of the products by the sum of the** weights ; the square root of the quotient will be the distance of the centre of gyration from the axis... | |
| C. W. Thornhill - 1854 - 228 pages
...— ALLIGATION MEDIAL. — The quantities and prices being given to find the mean price. RULE. — **Multiply each quantity by its price, and divide the...sum of the products by the sum of the quantities.** EXAMPLES. A grocer mixes 5 Ibs. of tea at Ss. Od. ; 7 Ibs. at 5s. Od. ; and 9 Ibs. at 6*. Od. ; what... | |
| Chambers W. and R., ltd - 1854 - 152 pages
...Multiply each quantity by its price; then add the quantities in one sum and the products in another, **and divide the sum of the products by the sum of the quantities : the quotient** is the average. Example. — I have bought two yards of cloth, at 10s. each ; 3 yards at 15s. ; and... | |
| Mathew Wilson - 1854 - 210 pages
...loss to either party. BULE : — Multiply each debt by the time which must elapse before it is due, **and divide the sum of the products by the sum of the** debts ; the quotient is the time required. EXAMPLE. Paid £480 as follows :— £60 in 40 days, £180... | |
| Horace Mann - 1855 - 270 pages
...several debts : Multiply each charge by the time which has elapsed from the date of the first bill, **and divide the sum of the products by the sum of the** bills. 119. EXAMPLE FOR THE BOARD. A merchant owes $4.00, payable in 3 months ; $6.00 payable in 6... | |
| |