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Key to the Progressive Practical Arithmetic, Including Analysis of the ...
Horatio Nelson Robinson
No preview available - 2014
15 days 1st installment 30 days 30 rods 9 mo A's age acres B's age barley barrels calves contained corn cows Decimal currency difference equals dimes disc't divided dollars Elementary Algebra Eobinson's Progressive equal f equals A's equals the cost equals the number feet fraction gain per cent gallon greater number greatest common divisor harness hence hypotenuse Key to Eobinson's least common multiple less number loss miles less nine hundred number of bushels paid pay't Payment pence poll tax Principal Prod PROMISCUOUS EXAMPLES proportion quires remaining rows Schenectady selling price share shillings Silas's sold SUBTRACTION ten-thousandths term thousand five thousandths twice the less wagon wheat whole cost whole number worth x f x
Page 157 - Tilings to be considered in any progression ; viz., the first term, the last term, the common difference or the ratio, the number of terms, and the sum of the series, any three of which being given the other two can be found, as will appear from the subsequent discussion.
Page 152 - J and £ are equal to •§ and f, and the proportional quantities are 2 bushels of timothy seed to 3 bushels of clover seed. 2. What proportions of teas worth respectively 3, 4, 7 and 10 shillings a pound, must be taken to form a mixture worth 6 shillings a pound ? OPERATION.