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" If 5 men and 7 boys can reap a field of corn of 125 acres in 15 days; in how many days will 10 men and 3 boys reap a field of corn of 75 acres, each boy's work being one-third of a man's ? 14. "
A Treatise on Arithmetic - Σελίδα 307
των James Hamblin Smith - 1880 - 320 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

A Collection of Problems and Examples Adapted to the "Elementary Course of ...

Harvey Goodwin - 1851 - 173 σελίδες
...inversely as b when a is invariable ; prove that it Or will vary as - when both a and b are variable. b If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being • of a man's? 4. If four quantities be proportionals according to Euclid's definition, shew that...

THE PRINCIPLES OF THE SOLUTION OF SENATE-HOUSE 'RIDERS'

FRANCIS J. JAMESON - 1851
...(&) when (a) is invariable, prove that it will vary as j- , when both (a) and (6) are variable. Ex. If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being J of a man's? (p. 24). Under this head must be placed also all direct applications of formulae. The...

Arithmetic for Schools

Barnard Smith - 1854
...edge of one containing 8 times as much ? Find the side of a square field containing 2ac. 121yds. 6. If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being J of a man's ? 7. A person invests £962. 10s. in the 3 per cents. at 77, and when the funds have fallen...

A progressive course of examples in arithmetic

James Watson - 1855
...of 8 hours each, in how many days of 10 hours each can 3 men and 5 boys together do the same ? 26. If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being J of a man's 1 27. If 12 oxen and 35 sheep eat 12 tons 12cwt. of hay in 8 days, how much will it cost...

A collection of examples in pure and mixed mathematics, with hints and ...

Alfred Wrigley - 1857
...boys work, in order to complete the same in 45 days : the work of a boy being half that of a man ? 13. If 5 men and 7 boys can reap a field of corn of 1 25 acres in 15 days; in how many days will 10 men and 3 boys reap a field of corn of 75 acres, each...

A collection of examples in pure and mixed mathematics, with hints and ...

Alfred Wrigley - 1859
...boys work, in order to complete the same in 45 days : the work of a boy being half that of a man ? 13. If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being one-third of a man's ? 14. If 13^ ells of cloth, \ yard wide, cost 5^ guineas; what will 33£ yards,...

Miscellaneous examples in Arithmetic

Henry PIX - 1861
...Reduce 3| of £1 3s. 4rf. to the decimal of £100. What decimal of a crown is equal to a groat? 9. If 5 men and 7 boys can reap a field of corn of 125...how many days will 10 men and 3 boys reap a field of 75 acres, each boy-s work being 5 of a man-s ? 10. The diagonal of a cube is 25 inches ; find the number...

Collection of Examples and Problems in Pure and Mixed Mathematics: With ...

Alfred Wrigley - 1862 - 294 σελίδες
...boys work, in order to complete the same in 45 days : the work of a boy being half that of a man ? 13. If 5 men and 7 boys can reap a field of corn of 125...a field of corn of 75 acres, each boy's work being one-third of a man's ? 14. If 13^ ells of cloth, •§- yard wide, cost 5^ guineas; what will 33i yards,...

Arithmetic for Schools

Barnard Smith - 1873 - 347 σελίδες
...of one containing 8 times as much ? (2) Find the side of a square field containing 2ac. 121 yds. 6. If 5 men and 7 boys can reap a field of corn of 125...and 3 boys reap a field of corn of 75 acres, each boy-s work being J of a man-s] 7. A person invests £962. 10s. in the 3 per cents, at 77, and when...

The Teachers' assistant and pupil teachers' guide, Τόμος 1

1876
...may rise on stepping stones Of their dead selves to higher things." — KE 87. If 5 men and 7 hoys can reap a field of corn of 125 acres in 15 days,...how many days will 10 men and 3 boys reap a field of 75 acres, each boy's work being ^ of a man's ? — 2d Year PT 88. A man starts on a journey, and walks...




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