Κρυφά πεδία
Βιβλία Βιβλία
" If 2 men can do 12 rods of ditching in 6 days ; how many rods may be done by 8 men in 24 days ? Ans. "
The Young Mathematician's Guide: Being a Plain and Easy Introduction to the ... - Σελίδα 90
των John Ward (of Chester.) - 1747 - 480 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The Young Mathematician's Guide: Being a Plain and Easie Introduction to the ...

John Ward (of Chester.) - 1724 - 480 σελίδες
...tfJthen/erjR»fci. 500 xSxií— 24000. And 100x12=1200 Then 1200) 24000 (20. the Anfixer, &c. gtyeft. 4. If Two Men can do 1 2 Rods of Ditching in 6 Days,...by 8 Men in 24 Days, at the fame Rate of working. Anfi». 192 Rods. guefl. 5. If the Carriage of 5 C. 3 qr. Weight, 1 50 Miles ; ceft 3 /. is. 4 ¿....

Arithmetical Collections and Improvements: Being a Complete System of ...

Anthony Birks, John Birks - 1766 - 640 σελίδες
...150 = 96600) 447X0880 (463 — 6090 d. 294820) 38 7 5080 ¿ l 18 7, theanf. V"i; If 2 men can do iz£ rods of ditching in 6^ days} how many rods may be done by 18 men in 14 days ? men. days. rods. * . 6.5 . 12.75 18 14. ' , 12.75 X 18 X 14 = 3I50> dividend. a...

The American Tutor's Assistant Revised, Or, A Compendious System of ...

Zachariah Jess - 1810 - 222 σελίδες
...of 259/ 13^ ¡d. for 10 weeks, at • 5 per cent ? answer 4/ 1 9* I od'.-£ . 13 If 2 men can'do 12 rods of ditching in 6 days ; how many rods may be done by Í rsen in 24 days ? answer 192 rods. 14 If the carriage of BC.wt. 128 miles cost 6,40 what must be...

The American Tutor's Assistant Revised, Or, A Compendious System of ...

Zachariah Jess - 1824 - 224 σελίδες
...interest of 259Z. 13s. Sd. for 20 weeks, at 5 per cent. ? answer 4/. 19s. 10d£. 13 If 2 men can do 12 rods of ditching in 6 days ; how many rods may be done by 8 men in 24 days ? answer 192 rods. 14 If the carriage of 8 C.wt. 128 miles cost 6,40; what must be paid for the carriage...

The American Tutor's Assistant, Improved: Or, A Compendious System of ...

Zachariah Jess - 1827 - 226 σελίδες
...interest o¿ 209¿ 13s. uiZ. for 20 weeks, at 5 per cent. ? 'Ans, 4Ï. 19s. Ща. 18. If 2 men can de 12 rods of ditching in 6 days ; how many rods may be done by 8 men in 24 ilays ? A,is. 192 rods. 14. If the carriage of 8 Cwt. .128 miles, cost 48 shillings^ what must be paid...

The Prussian Calculator: By which All Business Calculations are Performed by ...

Isaac A. Clark - 1846 - 204 σελίδες
...months, what will maintain 12 students 20 months at the same rate1? Ans. $960. 9. If 8 men can do 24 rods of ditching in 6 days, how many rods may be done by 18 men in 24 days? Ans. 216. 10. If 18 men in 30 days can build a wall that is 240 feet long, 8 feet...

The United States Arithmetic: Designed for Academies and Schools

William Vogdes - 1847 - 324 σελίδες
...horses 20 days, how many bushels will serve 60 horses 36 days, at that rate ? 17. If 2 men can do 12 rods of ditching in 6 days, how many rods may be done by 8 men in 24 days ? 18. If the carriage of 8 cwt., 128 miles, cost $6.40, what -; must be paid for the carriage of 4...

The scholar's guide to arithmetic; or, A complete exercise-book

John Bonnycastle - 1851 - 314 σελίδες
...6 days, how many men must there be to dig 18 yards in 3 days? Ans. 12 men. (4.) If 2 men can do 12f rods of ditching in 6^ days, how many rods may be done by 18 men in 14 days? Ans. 247T2g- rods. (5.) If a regiment of soldiers, consisting of 939 men, will consume...

The Western Calculator, Or, A New and Compendious System of Practical ...

Joseph Stockton - 1839 - 216 σελίδες
...what will be the interest of 400 dollars for 5 years ' Ans. 80 dollars. 7. If 4 men can do 12 rods cf ditching in 6 days, how many rods may be done by 8 men in 24 days ? Ant. 96 rods. INVERSE PROPORTION. EXAMPLE. 1. If 4 dollars pay 8 men for 3 days, how many day* must...




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