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A cistern for water has two cocks to supply it, by the first it may be filled in 45 minutes, and by the second in 55 minutes; it has likewise a discharging cock, by which it may, when full, be emptied...
The American Tutor's Assistant Revised, Or, A Compendious System of ... - Seite 171
von Zachariah Jess - 1810 - 210 Seiten
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## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1832 - 532 Seiten
...water, has 2 cocks to supply it ; by the first, it may be filled in '15 minutes, and by the second; in 55 minutes . it has likewise a discharging cock, by which it may, when full, Inemptied in 30 minutes : Now, if these three cocks be all left open, when the water comes in, in what...
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## The Teachers' Assistant: Or a System of Practical Arithmetic

Stephen Pike - 1824 - 198 Seiten
...for water has two cocks to supply it, bv the first it may be filled in 45 minutes, and by the second in 55 minutes; it has likewise a discharging cock,...comes in, in what time will the cistern be filled? Ans. 2 hours, 21min. 25fsec. 53. The account of a certain school is as follows, viz. TV of the bo/s...
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## An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - 1825 - 144 Seiten
...supply it ; by the first alone iunay be filled in 40 minutes, by the second in 50 minutes, and it has a discharging cock, by which it may, when full, be emptied in 25 minutes. Now these three cocks being all left open, the influx and efflux of the water being always...
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## An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - 1825 - 144 Seiten
...supply it ; by the first alone it may be filled in 40 minutes, by the second in 50 minutes, and it has a discharging cock, by which it may, when full, be emptied in 25 minutes. Now these three cocks being all left open, the influx and efflux of the water being always...
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## The American Tutor's Assistant, Improved: Or, A Compendious System of ...

Zachariah Jess - 1827 - 211 Seiten
...water has two cocks to supply it, by the first it may be filled in 45 minutes, and by the second, hi 55 minutes; it has likewise a discharging cock, .by...all left open when the water comes in, in what time may it he filled ? M. Cist. M. Cist. Cist. Hr. Cist. hms 45 : 1 : : 60 : 1.3333 As .4242 : 1 : : 1...
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## The Practical Arithmetic: In which the Principles of Operating by Numbers ...

1829 - 180 Seiten
...first, it may be filled in 45 minutes, and by the second in 55 ; it has likewise' a discharging pipe, by which it may, when full, be emptied in 30 minutes : now, if these 3 pipes he all left open, in what time will the cistern be filled? Ans. 2J!. 21m. 25^s. 52. I drop,da...
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## The New Federal Calculator, Or, Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - 1830 - 180 Seiten
...two cocks to supply it with water ; by the first it may be filled in 45 minutes, and by the second in 55 minutes; it has likewise a discharging cock,...which it may, when full, be emptied in 30 minutes : if these 3 cocks be left open, in what time will the cistern be filled? Ans. 2A. 21m. 25%sec. DOUBLE...
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## The Federal Calculator; Or, Scholar's Assistant : Containing the Most ...

Thomas Tucker Smiley - 1830 - 180 Seiten
...has two cocks to supply it with water; by the first it may be filled in 45 minutes, and by the second in 55 minutes; it has likewise a discharging cock,...which it may, when full, be emptied in 30 minutes : if these 3 cocks be left open, in what time will the cistern be filled? Ans. 2A. 21m. baize to line...
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## The Teacher's Assistant: Or, A System of Practical Arithmetic: Wherein the ...

1831 - 198 Seiten
...cocks to supply it, by the first it may be filled in 45 minutes, and by the second in 55 minutes; k has likewise a discharging cock, by which it may,...comes in, in what time will the cistern be filled? Ans. 2 hours, 21min. 25^sec. 53. The account of a certain school is as follows, viz. •Jx of the boys...
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## The Teacher's Assistant: Or, A System of Practical Arithmetic: Wherein the ...

1831 - 198 Seiten
...for water has two cocks to supply it, by the first it may be filled in 45 minutes, and by the second in 55 minutes; it has likewise a discharging cock, by which it may, when full, be emptied in 30 PROMISCUOUS QUESTIONS. nutes: now if these three cocks be all left open when : water comes in, in what...
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