Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" Subtract the difference from the sum and take half the result for the smaller number. 2. If A can do a piece of work in a days, and B can do the same... "
First Course in Algebra - Page 209
by William Benjamin Fite - 1913 - 285 pages
Full view - About this book

Treatise on the elements of algebra

James Bryce - Algebra - 1837 - 322 pages
...6, 30 = c; then ax-\-c=.bx; whence, x = b—a' from which we might deduce particular solutions. 6. If A can do a piece of .work in a days, and B in b days; in how many days will they do the work, if they both work at it together? Let x be the number...
Full view - About this book

An Elementary Treatise on Algebra: Designed as First Lessons in that Science

Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...same reasoning, is the part of the work done by B. Therefore, —-+— = 1. (1 is the whole work). 19. If A can do a piece of work in a days, and B can. do the same in b days, how long will it take them, if they both work together ? ab Ans. days. a-\-b I...
Full view - About this book

The elements of algebra

Archibald Montgomerie - Algebra - 1857 - 118 pages
...treble of A's ; also when B's is half, and C's the third part of A's. Ans. Чх and 3#; - and - . 13. If A can do a piece of work in a days, and B in b days, find the part done by each in x days. Ans. - and -.. 14. Express the two numbers whose digits...
Full view - About this book

A Treatise on Elementary and Higher Algebra

Theodore Strong - Algebra - 1859 - 570 pages
...the work ; and in like manner В can do the work in 17— days ; С can do it in 23 days. 41 31 12. If A can do a piece of work in a days, and В can do it in Ъ days, С in с days, and so on, it is required to find how long it will take them...
Full view - About this book

New Elementary Algebra: Containing the Rudiments of Science for Schools and ...

Horatio Nelson Robinson - Algebra - 1866 - 328 pages
...be equal to unity ; hence equation (i), which, reduced, gives 5|, the number of days required. 72. If A can do a piece of work in a days, and B can do the same in 6 days, how long will it take them if they both work together ? ab Ans. -- r days a + b...
Full view - About this book

New Elementary Algebra: Containing the Rudiments of the Science for Schools ...

Horatio Nelson Robinson - Algebra - 1875 - 338 pages
...x days, the sum of these two fractions must be equal to unity ; |, the number of days required. 72. If A can do a piece of work in a days, and B can do the same in b days, how long will it take them if they work together ? Ans. ali a + days. 73. A can...
Full view - About this book

New Elementary Algebra: Containing the Rudiments of the Science for Schools ...

Horatio Nelson Robinson - Algebra - 1875 - 340 pages
...must be equal to unity ; hence equation (1), which, solved, gives 5|, the number of days required. 72. If A can do a piece of work in a days, and В can do. the same in b days, how long will it take them if they work together ? ab Ans. — — 73....
Full view - About this book

The Inductive Algebra: Embracing a Complete Course for Schools and Academies

William James Milne - Algebra - 1881 - 360 pages
...The less is equal to one-half the remainder when their difference is subtracted from their sum. 2. A can do a piece of work in a days and B can do it in 6 days. In what time can both do it working together?/ Write a general rule for the solution of problems...
Full view - About this book

The Franklin Elementary Algebra

Edwin Pliny Seaver, George Augustus Walton - Algebra - 1881 - 304 pages
...problems we wish to solve, as will be shown in the next article. The Work of United Forces. 210. A can do a piece of work in a days, and B can do the same in b days. In how many days can both do it, working together? ho will do the - part of it...
Full view - About this book

A School Algebra

George Albert Wentworth - Algebra - 1891 - 380 pages
...greater number. Subtract the difference from the sum and take half the result for the smaller number. (2) If A can do a piece of work in a days, and B can do the same work in b days, in how many days can both together do it? Let x = the required number of days....
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF