Κρυφά πεδία
Βιβλία Βιβλία
" If 3 men can do a piece of work in 12 days, how many days will it take 9 men to do the same ? ANALYSIS. "
The Principles and Practice of Arithmetic: Comprising the Nature and Use of ... - Σελίδα 106
των John Hind - 1840 - 224 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Arithmetical questions, on a new plan: a suppl. to Introduction to arithmetic

William Butler - 1795 - 242 σελίδες
...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 fluff,...

The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - 1806 - 342 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...

The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - 1808 - 176 σελίδες
...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 Private Tuition

Charles Hutton - 1812 - 620 σελίδες
...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...

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

Charles Hutton - 1822 - 616 σελίδες
...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...

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

Martin Ruter - 1831 - 190 σελίδες
...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 - 294 σελίδες
...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...

A Practical and Theoretical System of Arithmetic...: Also, a Treatise on ...

George Willson - 1836 - 202 σελίδες
...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,...

Mental and Practical Arithmetic

Charles Davies - 1838 - 292 σελίδες
...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...

Arithmetic: As Taught in the Troy Episcopal Institute

W. F. Walker - 1841 - 246 σελίδες
...each one's share ? Ans. A's$36; B's $28. (33.) From -? Of U of 7, take | of f . Ans. 45V (34.) If 20 men can perform a piece of work in 12 days, how many men will accomplish another thriee as large, in a fifth part of the time ? Ans. 300 men. (35.)" A and...




  1. Η βιβλιοθήκη μου
  2. Βοήθεια
  3. Σύνθετη Αναζήτηση Βιβλίων
  4. Λήψη ePub
  5. Λήψη PDF