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" 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. "
The practical calculator: a treatise on arithmetic - Page 187
by C W. Thornhill - 1854
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A Treatise on Algebra, in Practice and Theory: With Notes and ..., Volume 1

John Bonnycastle - Algebra - 1813 - 456 pages
...A~may have twice as much as в, and с as much as A and в together. Ans. A looi, в ao/., с IAO/. 7- A person, at the time he was married, was 3 times...old as his wife ; but after they had lived together 1 5 years, he was only twice as old ; what werç their ages on their wedding day ? Ans. Bride's age...
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An Introduction to Algebra: With Notes and Observations : Designed for the ...

John Bonnycastle - Algebra - 1818 - 326 pages
...A may have twice as much as B, and c as much as A and B together. Ans. A lOol., B SO/., c loOi. 7. A person, at the time he was married, was 3 times...; what were their ages on their wedding day ? Ans. Bride's age 15, bridegroom's 45 8. What number is that from which, if 5 be subtracted, two thirds of...
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An Introduction to Algebra: With Notes and Observations, Designed for the ...

John Bonnycastle - Algebra - 1825 - 336 pages
...A may have twice as much as B, and c as much as A and B together. Ans. A IOOZ ., B50/., c 150J. 7. A person, at the time he was married, was 3 times...; what were their ages on their wedding day ? Ans. Bride's age 15, bridegroom, 45. 8. What number is that from which, if 5 be subtracted, two thirds of...
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Elements of Arithmetic, Algebra, and Geometry

George Lees - 1826 - 276 pages
...| ths of the remainder shall be 27. Ans. 45. Ex. 3. A person, at the time he was married, was three times as old as his wife, but after they had lived together 20 years, he was only twice as old. What were their ages on their wedding-day ? Ans. Bridegroom's 60,...
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An Introduction to Algebra, with Notes and Observations: Designed for the ...

John Bonnycastle - Algebra - 1829 - 372 pages
...that A may have twice as much as B, and c as much as A and B together. Ans. A 100/. B 501. c 15(M. 7. A person, at the time he was married, was 3 times...he was only twice as old ; what were their ages on the wedding day ? Ans. Bride's age 15, bridegroom, 45. 8. What number is that from which, if 5 be subtracted,...
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Treatise on the elements of algebra

James Bryce - Algebra - 1837 - 322 pages
...How many voted for each? Ans. \(a — 6) and ^(a+6). 19- A man, at the time he was married, was three times as old as his wife ; but after they had lived together X2 15 years, he was only twice as old. What were their ages on their wedding day? Ans. The woman's...
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Gradations in Algebra in which the First Principles of Analysis are ...

Richard W. Green - Algebra - 1839 - 156 pages
...equation, a;+126=2a; — 174 Transposing and uniting, — x= — 300 Changing signs, a; =300 the answer. 2. A person, at the time he was married, was 3 times...as old. What were their ages on their wedding day 1 Stating the question, x= the wife's age. 3#= the man's age. a;+15 = the wife's after 15 years. 3a;+15...
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An Elementary Treatise on Algebra, in Theory and Practice: With Attempts to ...

John D. Williams - Algebra - 1840 - 634 pages
...a;-j-2ar-|-3z^=300, or 6:r=300; whence ar = Afa =850, B's share ; 2z=$100, A's share, and 3z=$150, C's share. 19. A person, at the time he was married, was 3 times...he was only twice as old. What were their ages on the wedding day ? Let the age of the wife at the time of the marriage = x, and that of the husband...
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An Algebra Upon the Inductive Method of Instruction

John H. Harney - Algebra - 1840 - 298 pages
...and third. What are the numbers ? 13. A man when he was married was three times as old as his wife; after they had lived together 15 years he was only twice as old. Нолу old was each, when they were married ? 14. A man bought some sugar and coffee. The coffee...
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The Elements of Arithmetic ... in which Decimal and Integral Arithmetic are ...

Pliny Earle Chase - 1844 - 258 pages
...9 miles an hour. In what time will the thief be overtaken ? 9. A man when he was married, was three times as old as his wife, but after they had lived together 15 years, he was only twice as old. How old was each at the time of marriage 1 10. A farmer bought some cows and some calves for $461,...
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