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" What is the speed of the steamer in still water ? 8. Find the time between 4 and 5 o'clock when the hands of the clock are 30 minute spaces apart. 9. A man takes, out a life insurance policy for which he pays in a single payment. Thirteen years later... "
First Principles of Algebra: Elementary Course - Page 274
by Herbert Ellsworth Slaught, Nels Johann Lennes - 1912 - 280 pages
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The Academic Algebra

William Frothingham Bradbury, Grenville C. Emery - Algebra - 1889 - 428 pages
....-. (30 — 28) x = ¿0 2 x = 20 x = 10, the number of hours. The time would be 10 o'clock, p. м. 6. Find the time between 4 and 5 o'clock, when the hands of a clock are, (1) Together. (2) Opposite each other. (3) At right angles to each other. (4) Two minute-spaces...
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New School Algebra

George Albert Wentworth - Algebra - 1898 - 428 pages
...12 (x - 10) = x, and llx=120. .-. x = 1Щ. Therefore, the time is 10J-Ç minutes past 2 o'clock. 48. Find the time between 4 and 5 o'clock when the hands of a clock are together. 49. Find the time between 3 and 4 o'clock when the hands of a clock are at right...
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New School Algebra

George Albert Wentworth - Algebra - 1898 - 440 pages
...(x - 10) = x, and 11 x = 120. л x = lOtf. Therefore, the time is 10}^ minutes past 2 o'clock. 48. Find the time between 4 and 5 o'clock when the hands of a clock are together. 49. Find the time between 3 and 4 o'clock when the hands of a clock are at right...
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Essentials of Algebra: Complete Course (an Adequate Preparation for the ...

John Charles Stone, James Franklin Millis - Algebra - 1905 - 776 pages
...be the number of spaces which the hour hand has traveled meanwhile. The difference is 20. Why? 37. Find the time between 4 and 5 o'clock when the hands of a clock are directly opposite each other. 38. John could remove the snow from a walk in 30 minutes....
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Elementary Algebra

George Albert Wentworth - Algebra - 1906 - 440 pages
...angles to each other. HINT. In this case the minute-hand is 15 minute-spaces behind the hour-hand. 54. Find the time between 4 and 5 o'clock when the hands of a clock point in opposite directions. 55. Find the times between 5 and 6 o'clock when the hands of...
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High School Algebra: Elementary Course

Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1907 - 328 pages
...if the product of the first and last sums is equal to the product of the second and third sums ? 7. Find the time between 4 and 5 o,clock when the hands of the clock are 30 minute spaces apart. 8. A man buys a house for $6500. His yearly tax on the property is $57. The coal costs $60 per year,...
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High School Algebra: Complete Course

Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1908 - 520 pages
...if the product of the first and last sums is equal to the product of the second and third sums ? 7. Find the time between 4 and 5 o'clock when the hands of the clock are 30 minute spaces apart. 8. A man buys a house for $6500. His yearly tax on the property is $57. The coal costs $60 per year,...
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Elementary Algebra

Frederick Howland Somerville - Algebra - 1908 - 428 pages
...(Ншт: In this case the position of the minute-hand will be 15 minute-spaces behind the hour-hand.) 30. Find the time between 4 and 5 o'clock when the hands of a clock are at right angles to each other. (HINT : Two possible positions may be found in this case,...
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School Algebra

James William Nicholson - Algebra - 1909 - 332 pages
...o'clock, or 3 : 16T4T. 2. Find the time between 6 and 7 o'clock when the hands of a clock are together. 3. Find the time between 4 and 5 o'clock when the hands of a clock point in opposite directions. HINT. The hour hand has 20 + 30 spaces less to go than the minute...
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Elementary Algebra: first course

John Charles Stone, James Franklin Millis - Algebra - 1911 - 698 pages
...after it is fired. How long after it is fired does it hit the target ? How far away is the target ? 18. Find the time between 4 and 5 o'clock when the hands of a clock are together. SUGGESTION. — Let x = the number of minute spaces which the minute hand has...
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