Gradations in Algebra in which the First Principles of Analysis are Inductively Explained: Illustrated by Copious Exercises, and Made Suitable for Primary SchoolsI. Ashmead, 1839 - 148 páginas |
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Página 26
... gave twice as much as A. What did each of them subscribe ? Stating the question , A gave x dollars . B gave 2x dollars . Both of them gave x + 2x dollars . But both gave 660 dollars . Therefore , putting the question into an equation ...
... gave twice as much as A. What did each of them subscribe ? Stating the question , A gave x dollars . B gave 2x dollars . Both of them gave x + 2x dollars . But both gave 660 dollars . Therefore , putting the question into an equation ...
Página 27
... gave 108 dollars for his horse and saddle ; and that the horse cost 8 times as much as the saddle . What was the cost of each ? Stating the question , x = price of the saddle . 8x = x + 8x = 108 = 66 horse . 66 both . 66 do . Forming ...
... gave 108 dollars for his horse and saddle ; and that the horse cost 8 times as much as the saddle . What was the cost of each ? Stating the question , x = price of the saddle . 8x = x + 8x = 108 = 66 horse . 66 both . 66 do . Forming ...
Página 29
... gave five times as much to a man as he gave to a boy ; and for all of them he gave $ 6.80 . What was the wages of each ? Ans . A boy's wages was 40 cents , and a man's wages , $ 2 . 15. A boy bought some oranges and some lemons for 54 ...
... gave five times as much to a man as he gave to a boy ; and for all of them he gave $ 6.80 . What was the wages of each ? Ans . A boy's wages was 40 cents , and a man's wages , $ 2 . 15. A boy bought some oranges and some lemons for 54 ...
Página 36
... remainder is 41 ? Ans . 68 . 3. A person bought two geese for $ 1.40 ; and gave 16 cents more for one than he did for the other . What did each cost him ? must stand for the greatest quantity . Stating the question 35 ALGEBRA . Equations,
... remainder is 41 ? Ans . 68 . 3. A person bought two geese for $ 1.40 ; and gave 16 cents more for one than he did for the other . What did each cost him ? must stand for the greatest quantity . Stating the question 35 ALGEBRA . Equations,
Página 42
... gave away so much of it , that I have now three times as much as I gave away . How much did I give away ? mains . If I gave away $ x , then $ 84 - x will be what re- Ans . $ 21 . 6. A certain sum of money was shared among five per- sons ...
... gave away so much of it , that I have now three times as much as I gave away . How much did I give away ? mains . If I gave away $ x , then $ 84 - x will be what re- Ans . $ 21 . 6. A certain sum of money was shared among five per- sons ...
Términos y frases comunes
A's share a²-2ab+b² added ALGEBRAICAL QUANTITIES answer apples arithmetic barley bought bushels called cents apiece chaise change the sign co-efficient compound quantity denotes difference digits Divide the number dividend division dollars equal fractions EQUATIONS.-SECTION EXAMPLES exponent factor find the value Find two numbers find x Forming the equation gallons gentleman Given greater harness improper fraction last member left pocket less letter literal quantities lowest terms manner merator method minus multiply the numerator number of yards numeral quantities obtain pears person principle proportion pupil purse quan question quotient ratio receive Reduce remainder represents rule saddle sheep shillings simple fraction simple quantity Substituting third tity Transposing and dividing Transposing and uniting twice Unite the terms UNITING FRACTIONS Uniting terms unknown quantity vinculum vulgar fraction Whence whole number whole quantity whole x's wine worth
Pasajes populares
Página 57 - A man driving his geese to market, was met by another, who said, good morrow, master, with your hundred geese...
Página 139 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Página 121 - Prove that the square of the sum of any two numbers equals the square of the first number, plus twice the product of the two numbers, plus the square of the second number.
Página 82 - A sum of money was divided between two persons, A and B, so that the share of A was to that of B as 5 to 3.
Página 45 - A person, at the time he was married, was 3 times as old as his wife ; but after they had lived together 15 years, he was only twice as old ; what were their ages on their wedding day ? Ans.
Página 80 - Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while the boat descends three. At what distance below the fort will they be together ? Ans.
Página 100 - There is a certain number, consisting of two digits, the sum of which digits is 5 ; and if 9 be added to the number itself the digits will be inverted ; what is the number?
Página 79 - Two men commenced trade together ; the first put in $40 more than the second, and the stock of the first was to that of the second as 5 to 4 ; what was the stock of each ? Ans. $200, and $160.
Página 55 - A post is one-fourth of its length in the mud, one-third in the water, and 10 feet above the water ; what is its whole length ? Ans. 24 feet.
Página 72 - ... 5, respectively ? Ans. 10 and 2 30. A person in play lost a fourth of his money, and then won back 3s., after which he lost a third of what he now had, and then won back 2s. ; lastly, he lost a seventh of what he then had, and after this found he had but 12s. remaining ; what had he at first ? Ans. 20s.