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" ... all the time; and he finds that he can row 2 miles against the stream in the same time that he rows 3 miles with it. Find the time of his going and returning. "
Examples in algebra - Σελίδα 105
των James Wharton - 1848
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The elements of algebra

James Wood - 1841 - 492 σελίδες
...gallons in each cask. How many gallons were in each cask at first ? 11o , 5a Ans. , and — 8 8 • 15. A person rows from Cambridge to Ely (a distance of...the stream flowing uniformly in the same direction all the time ; and he finds that he can row 2 miles against the stream in the same time that he rows...

The elements of algebra

James Wood - 1845 - 442 σελίδες
...each cask. How many gallons were in each cask at first? . lia , Sa Ans. — -, and — - . о о 28. A person rows from Cambridge to Ely (a distance of 20 miles) and back again in ten hours, the stream flowing uniformly in the same direction all the time ; and he finds that he can...

Text-book of arithmetic, for the use of teachers

John Hunter (of Uxbridge.) - 1847 - 266 σελίδες
...years, if improved at 5 pc per ann. compound interest ? Ans. £1245972. 5*. lljrf. XXVI. A boatman rows from Cambridge to Ely, a distance of 20 miles, and back again, in 10 hours; and he finds that he can row 2 miles against the stream in the same time that he can row 3 miles with...

Algebra made easy

Thomas Tate (mathematical master.) - 1847 - 138 σελίδες
...persons were there ? Ans. 8. 14. A person rows 30 miles down a river and back in 7 hours ; he rows 2 miles against the stream in the same time that he rows 5 miles with it. Find the rates of going and returning. Let 2 * = no. miles rowed per hour in returning....

The Elements of Algebra Designed for the Use of Schools

John William Colenso - 1849 - 262 σελίδες
...much again as before. What was the first-class fare, and the whole number of passengers at first? 10. A person rows from Cambridge to Ely, a distance of...the stream flowing uniformly in the same direction all the time; and he finds that he can row 2 miles against the stream in the same time that he rows...

Examples in Algebra for Senior Classes: Comprising Numerous Graduated ...

James Wharton - 1860 - 176 σελίδες
...second by 6, and that of the third by 8, the products are all equal; what are their shares ? (71.) A person rows from Cambridge to Ely (a distance of...time ; and he finds that he can row 2 miles against tue stream in the same time that he rows 3 miles with it : find the rate of the stream, and the time...

A Treatise on the Elements of Algebra

James Bryce - 1861 - 376 σελίδες
...general solution, put 3 = m, 5 = и, and 7 = a. 33. A person rows a distance of 20 miles upon a river and back again in 10 hours, the stream flowing uniformly in the same direction all the time ; and he finds that he can row 2 miles against the stream in the same time that he rows...

New Higher Algebra: An Analytical Course Designed for High Schools ...

Benjamin Greenleaf - 1864 - 420 σελίδες
...y = 20, present width in rds., and xy = 600, present area in rds. 2. A boatman can row down stream, a distance of 20 miles, and back again, in 10 hours, the current being uniform all the time ; and he finds that he can row 2 miles against the current in the...

A Treatise on Elementary Algebra

James Hamblin Smith - 1869 - 412 σελίδες
...four revolutions more than the hind-wheel in the same space. Find the circumference of each wheel. 60. A person rows from Cambridge to Ely (a distance of 20 miles) and back again in 10 hours, and finds he can row 2 miles against the stream in the same time that he rows 3 miles with it. Find...

Elementary Algebra

James Hamblin Smith - 1870 - 478 σελίδες
...four revolutions more than the hind-wheel in the same space. Find the circumference of each wheel. 60. A person rows from Cambridge to Ely (a distance of 20 miles) and back again in 10 hours, and finds he can row 2 miles against the stream in the same time that he rows 3 miles with it. Find...




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