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" If 20 men can perform a piece of work in 12 days, how many men will accomplish three times as much in one-fifth of the time ? Ans. "
Arithmetic for the use of schools. [3 pt. in 1]. - Σελίδα 40
των Richard Dunkley Beasley - 1867
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Arithmetical questions, on a new plan: a suppl. to Introduction to arithmetic

William Butler - 1795
...denomination as that in which the fecond term was left. * See queftion 288. EXAMPLES. EXAMPLES. No. 367. If 36 men can perform a piece of work in 12 days, how many days would 27 men require to complete the fame? . Anf. 16 days. No. 308. SHALLOON. A flight woollen...

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Charles Vyse - 1806 - 320 σελίδες
...together, and divide their Produdt by the third Term : the Quotient will be the Answer. EXAMPLES. (1) If 48 Men can perform a Piece of Work in 12 Days, how many Men can do the same in 72 Days ? (2) How much in Length, that is four Inches broad, will make a Foot square...

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James Thompson - 1808 - 172 σελίδες
...would he ride the same distance, if he went at the rate of 5i miles an hour ? Ans. 19 ho. 2^| mi. 19. If 20 men can perform a piece of work in 12 days, how many men will accomplish another piece thrice as large in onefifth of the time ? Ans. 300 men. 20. The battering...

A Course of Mathematics: For the Use of Academies as Well as ..., Τόμος 1

Charles Hutton - 1812
...and minute hands were then exactly together : What was the time ? Ans. 27Jj- min. past 5. QUEST. 20. If 20 men can perform a piece of work in 12 days, how many men will accomplish another thrice as large in one-fifth of the time ? Ans. 300. QUEST. 21. A father devised...

A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - 1822
...and minute hands were then exactly together ; What was the time ? Aus. 27 ,\ min. past 5. QUEST. 20. If 20 men can perform a piece of work in 12 days, how many men will accomplish another thrice as large in one-fifth of the time ? Ans. 300. QUEST. 21. A father devised...

The Juvenile Arithmetick, and Scholar's Guide: Illustrated with Familiar ...

Martin Ruter - 1831 - 179 σελίδες
...add ^ of Jj , the sum will be 10? Ans. lOJJJj. 4, What part of 3, is a third part of 2? Ans. f . 5, If 20 men can perform a piece of work in 12 days, how many will accomplish another thrice as large, in one fifth of the time? Ans. 300. (J, A person making his...

The Arithmetical Manual

Samuel Read Hall - 1832 - 288 σελίδες
...Ans. 30^. 11. From J of TG5 take J of &. Ans. -£&. 12. What is the square of 686 ? Ans. 470596. 13. If 20 men can perform a piece of work in 12 days ; how many men will accomplish another thrice as large in J of the time ? Ans. 300 men. 14. A person being asked the hour...

Examples in Arithmetic and Algebra: Collected and Arranged from TheCambridge ...

1834 - 165 σελίδες
...7 men earn £9. 10s. 6d. in 10^ days, what sum will 28 men earn in 31| days? Answer, £114. 6*. 43. If 20 men can perform a piece of work in 12 days, required the number of men who could perform another piece of work, 3 times as great, in J-th part...

A Practical and Theoretical System of Arithmetic: Containing Several New ...

George Willson - 1836 - 192 σελίδες
...how many ounces a day must each man have, that the provisions may last that time ? Ans. 6|- ounces. 36. If 20 men can perform a piece of work in 12 days ; how many men will accomplish another thrice as large, in a fifth part of the time ? Ans. 300 men. 37. Two persons, A...

Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 σελίδες
...$8400, which was just -| of his elder brother,s fortune : what was the father worth? Ans. $19200. 37. If 20 men can perform a piece of work in 12 days, how many men will accomplish three times as much in one-fifth of the time ? Ans. 300. 38. Suppose that I have ^ of a...




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