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A and B can do a piece of work in 6 days ; A...
The Elements of Arithmetic ... in which Decimal and Integral Arithmetic are ... - Σελίδα 108
των Pliny Earle Chase - 1844
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## A Treatise on Algebra: Arithmetical algebra

George Peacock - 1842
...and the denominator by y, the eqnatKes will be »+2 1 r-2 1 = ~=: and the fraction is — . 14 (3) A and B can do a piece of work in 6 days: A and C can do it in 9 days, and A, B, C can do 8 times the same work in 45 days : in what tin*s can...

## Arithmetic and algebra in their principles and application

Barnard Smith - 1857
...express both a dollar and a franc in terms of the unit of money mentioned in the last question. 8. A and B can do a piece of work in 6 days, B and C in 7 days, and A, B, and C can do it hi 4 days ; how long would A and C take to do it ? 9....

## Normal Arithmetic: A Text-book, Theoretical and Practical, in Six Parts ...

Silas Lawrence Loomis - 1859 - 300 σελίδες
...difference between the sou's and daughter's portion was \$7000. What was the widow's portion ? 2243. If A. and B. can do a piece of work in 6 days, B. and C. in 8 days, and A. and C. in 10 days, in what time can each do it alone ? 2244. How many reams...

## Arithmetical Examples

Daniel W. Fish - 1871 - 282 σελίδες
...between two numbers is 8, and T'T of the larger is equal to 4 of the smaller. What are the numbers ? 261. A and B can do a piece of work in 6| days; B and 0 in 12 days ; and A and C in 10 days. In how many — — days can all working together do it...

## The Elements of Algebra for the Use of Schools and Colleges

James Loudon - 1873 - 277 σελίδες
...second condition, From these two equations we find .«=3, y=6. Therefore the number sought is 86. 3. A and B can do a piece of work in 6 days ; A and C can do it in 9 days, and A, B, C can do 8 times the same work in 45 days. In what times can...

## Arithmetic for Schools

Barnard Smith - 1873 - 347 σελίδες
...express both a dollar and a franc in terms of the unit of money mentioned in the last question. 8. A and B can do a piece of work in 6 days, B and C in 7 days, and A, B, and C can do it in 4 days ; how long would A and C take to do it ? 9....

## The elements and practice of algebra

James Loudon - 1873 - 277 σελίδες
...second condition, From these two equations we find j;=8, y=6. Therefore the number sought is 86. 8. A and B can do a piece of work in 6 days ; A and C can do it in 9 days, and A, B, C can do 8 times the same work in 45 days. In what times can...

## The Preliminary Examination Journal, and Student's Literary ..., Τόμος 1

1875 - 618 σελίδες
...£1,953 -r 31 = 63 A. gets 3| x 4 X 63 = 945. B. ,, 3 x 4 X 63 = 756. C. „ 1 X 4 x 63 = 252. Ant. 10. A. and B. can do a piece of work in 6 days, B. and C. in 7 days, and A., B. and C. in 4 days. How long would A. and C. take to do it ? If A. and...

## A Treatise on Arithmetic

James Hamblin Smith, Thomas Kirkland, Scott, William, b. 1845 - 1877 - 345 σελίδες
...rows, and the rate at which the stream flows. (201) Show that 1 o + 1 1 •1 + 4 + — 1 •i + ^202) A and B can do a piece of work in 6 days, B and 0 in 8 days, A, B, and C in 4 days. How long would A and C take to do it ? (203) If, by selling...

## A digest of the ... questions in Latin grammar [&c.].

Edward Henslowe Bedford - 1882
...£1953 15 + 12 + 4 = 31 = £63. 31 15x63= £945, A.'s share. 12x63= 756, B.'s „ 4x63= 252, C.'s „ A. and B. can do a piece of work in 6 days, B. and C. in 7 day?, and A., B. and C. in 4 dayo. Hmc loiiy woidd A. and C. tnl-e to do it) A. and...