| Eugene L. Dubbs - Arithmetic - 1893 - 238 pages
...$30 less than the mule, and the horse cost $30 more than both mule and cow. What did each cost ? ю. A and В together can do a piece of work in 3| days. If В does f as much as A, in what time can each do the work ? 11. In a pasture there are 102... | |
| James Wallace MacDonald - 1894 - 104 pages
...becomes £ by adding 1 to the numerator, and J by adding 1 to the denominator ; what is the fraction ? 12. A and В together can do a piece of work in 6 hours, but A worked 7 hours and В finished it in 4 ; how long would it take each alone ? Ans. A... | |
| Webster Wells - Algebra - 1904 - 642 pages
...digit by 2. If the number be divided by the sum of its digits, the quotient is 38. Find the number. 12. A and В together can do a piece of work in 5} days, В and С together in 6J days, and С and Л together in ojf days. In how many days can it... | |
| Webster Wells - Algebra - 1906 - 550 pages
...amounted to $ 1868.40 in 7 years, and to $ 2174.40 in 12 years. Find the principal and the rate. 35. A and В together can do a piece of work in 3| hours. If A works | as fast, and B f as fast, they can do it in the same time. In how many hours can... | |
| James William Nicholson - Algebra - 1909 - 332 pages
...$200. If A gives В $10, then JT of A's money will be equal to £ of В's. How much money has each ? 7. A and В together can do a piece of work in 3 da. They can also do the work if A works 2 da. and В 6 da. Find the time it would take each alone... | |
| Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1911 - 288 pages
...on the subject, and to.day determinants are used in every field of advanced mathematics. PROBLEMS 1. A and В together can do a piece of work in 3$ days. If they work together 2 days and A can then finish the job alone in 2£ days more, how many days... | |
| Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1917 - 344 pages
...apart. If A has then traveled 28 miles farther than B, find the number of hours since they started. 83. A and В together can do a piece of work in 3|- days. В alone can do it in 3 days less than A. Find the number of days required by each. 84. At what... | |
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