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" If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. "
A New Introduction to the Science of Algebra ... - Σελίδα 184
των Silas Totten - 1836 - 304 σελίδες
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The Elementary and Complete Examiner: Or, Candidate's Assistant: Prepared to ...

Isaac Stone - 1869 - 272 σελίδες
...end of 7 months, and received ouly £2 13s 4d and his livery; what was its value? Ex. 16. P. 100. 14. If A and B together can perform a piece of work in...together in 9 days, and B and C in 10 days, how many days would it take each person to perform the same work alone? Ex.20. P. 100. 15. A banker has two kinds...

The Elementary and Complete Examiner: Or, Candidate's Assistant: Prepared to ...

Isaac Stone - 1869 - 278 σελίδες
...end of 7 months, and received only £2 13s 4d and his livery; what was its value? Ex. 16. P. 100. 14. If A and B together can perform a piece of work in...together in 9 days, and B and C in 10 days, how many days would it take each person to perform the same work alone? Ex.20. P. 100. 15. A banker has two kinds...

The Elementary and Complete Examiner: Or, Candidate's Assistant: Prepared to ...

Isaac Stone - 1869 - 272 σελίδες
...end of 7 months, and received only £2 13s 4d and his livery; what was its value? Ex. 1G. P. 100. 14. If A and B together can perform a piece of work in 8 days, A and C together in 9 clays, and B and C in 10 days, how many days would it take each person to perform the same work alone?...

The civil service, army & university arithmetical guide

Thomas Brown (of Dublin.) - 1869 - 88 σελίδες
...of tea ; what is the value of a pound of rice, when tea is reckoned at 5s. per pound ? 5. A and В together can perform a piece of work in 8 days, A and С together in 9 days, В and С together in 10 days ; how many days will it take each alone to perform...

Elements of algebra

Robert Wallace - 1870 - 164 σελίδες
...his body weighed as much as his head and tail ; what is the weight of the whole fish ? Ans. 721bs. 2. If A and B together can perform a piece of work in eight days, A and C together in nine days, and B and C together in ten days, ho-v long will each person...

Elements of Algebra: For Colleges, Schools and Private Students

Joseph Ray - 1866 - 420 σελίδες
...quotient of the greater divided by the less shall he 12, with a remainder 5. Ans. 1757 and 146. 23. If A and B together can perform a piece of work in a days, A and C in b days, and B and C in c days : find the time in which each can perform it separately....

Treatise on the elements of algebra

James Bryce - 1872 - 386 σελίδες
...past 8. The clock is known to gain -fa of a second in 24 hours. Find the gaming rate of the watch. 66. If A and B together can perform a piece of work in a days, A and C together in b days, and B and C together in с days, find the time in which each can...

Questions for Written Examinations: An Aid to Candidates for Teachers ...

John Swett - 1872 - 252 σελίδες
...chosen wanted but 3,000 of having twice as many votes as his opponent. How many voted for each. 10. If A and B together can perform a piece of work in 1 2 days ; A and C in 1 5 days, and B and C in 20 days. How many days will it take each person to do...

The Complete Algebra: Designed for Use in Schools, Academies, and Colleges

Joseph Ficklin - 1874 - 446 σελίδες
...would cost $1.56 ; find the price per pound of each. Ans. Tea CO cents, sugar 20 cents. 11. A and S together can perform a piece of work in 8 days, A and С together in 9 days, and В and С in 10 days ; in what time could each person alone perform the...

The Complete Algebra: Embracing Simple and Quadratic Equations, Proportion ...

Edward Olney - 1877 - 466 σελίδες
...— - — days. J> •' ' ab + ac + be J Deduce from these results those of the preceding example. 8. If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C together in 10 days, in how many days can each alone perform the same work ? Ana., A in 14f* days,...




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