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A's house adfected quadratic Algebra answer Arithmetic bought brackets cent change the sign clearing off fractions complete the square compound expressions cost difference Ditto Divide the number dividend division divisor eliminate equa equal equation containing examples exceeds exercise extract the square factors feet Find the numbers florins following equations following rule gallons given greatest common measure half the coefficient half-crowns Hence least common multiple less letter common methods metic miles minuend minus sign number sought numerator and denominator numerical value obtained original equations prefix problem proceed quadratic equation quotient reap remainder represent resulting equation rule of signs second term selling shillings simple equations SIMULTANEOUS EQUATIONS Solve the equations Solve the following sort square root subtracted suppose symbols terms containing third train Transpose twice the product unknown quantities whole number write written yards
Página 91 - A vintner sold 7 dozen of sherry and 12 dozen of claret for 50/., and finds that he has sold 3 dozen more of sherry for 10/. than he has of claret for 6/. Required the price of each.
Página 28 - The square of the difference of two quantities is equal to the square of the first minus twice the product of the first by the second, plus the square of the second.
Página 28 - ... the product of the two, plus the square of the second. In the third case, we have (a + b) (a — 6) = a2 — b2. (3) That is, the product of the sum and difference of two quantities is equal to the difference of their squares.
Página 69 - There is a certain number, consisting of two places of figures, which is equal to four times the sum of its digits ; and if 18 be added to it, the digits will be inverted; what is the number? Ans. 24.
Página 73 - ... 7. A person walking along the road in a fog meets one waggon and overtakes another which is travelling at the same rate as the former. and he observes that between the time of his first seeing and passing the waggons, he walks 20 yds. and 60 yds.
Página 43 - ... start at the same time, from the same place, and travel in opposite directions, what will represent their distance apart at the end of 1 day ? of 2, 3, 4, 5 days ? ART.
Página 44 - Divide the greater number by the less, the divisor by the remainder, and thus continue to divide the last divisor by the last remainder until there is no remainder ; the last divisor will be the greatest common divisor.
Página 34 - Any term may be transposed from one side of an equation to the other by changing its sign.