 | Calvin Tracy - Arithmetic - 1840 - 316 pages
...of sufficient capacity to contain 230 gallons, in one hour, and by a pipe 35 gallons be drawn off in the same time, how long will it take to fill the cistern 1 Ans. 15 hours, 20 minutes. 49. If 150 Ib. of soap cost $15.60, what would 15 Ib. cost ? Ans. $1.56.... | |
 | W. F. Walker - Arithmetic - 1841 - 246 pages
...of sufficient capacity to contain 230 gallons, in one hour, and by a pipe 35 gallons be drawn off in the same time, how long will it take to fill the cistern ? Ans. 15hr. 20min. (59.) A vessel at sea discharges a cannon, the report of which reaches me in 1... | |
 | Benjamin Greenleaf - Arithmetic - 1852 - 156 pages
...part did the second man spend in a week ? How long would the 4 dollars last the first man alone ? 18. A cistern has 4 pipes. The first will fill it in 2...same time, how long will it take to fill the cistern ? 19. A boy had 20 cents to spend for apples and peaches ; for every apple he gave 2 cents, and for... | |
 | Benjamin Greenleaf - Mental arithmetic - 1854 - 156 pages
...part did the second man spend in a week ? How long would the 4 dollars last the first man alone ? 18. A cistern has 4 pipes. The first will fill it in 2...same time, how long will it take to fill the cistern ? 19. A boy had 20 cents to spend for apples and peaches ; for every apple he gave 2 cents, and for... | |
 | J L. Ellenberger - 1854 - 338 pages
...through a tap, that empties it in 1£ hours. Suppose the cistern empty, and the two pipes and the tap act at the same time, how long will it take to fill the cistern. PART iV. DECIMAL FRACTIONS. 164. In the common system of numeration, it has been shown that a figure... | |
 | Benjamin Greenleaf - Mental arithmetic - 1857 - 162 pages
...part did the second man spend in a week ? How long would the 4 dollars last the first man alone ? 18. A cistern has 4 pipes. The first will fill it in 2...same time, how long will it take to fill the cistern ? 19. A boy had 20 cents to spend for apples and peaches ; for every apple he gave 2 cents, and for... | |
 | Benjamin Greenleaf - Arithmetic - 1851 - 150 pages
...would the 4 dollars last the first man alone ? 18. A cistern has 4 pipes. The first will fill it in '1 hours, the second will fill it in 3 hours, the third...same time, how long will it take to fill the cistern ? 19. A boy had 20 cents to spend for apples and peaches ; for every apple he gave 2 cents, and for... | |
 | Shelton Palmer Sanford - Arithmetic - 1872 - 404 pages
...cistern by a third pipe, which empties it in 1£ hours. If the cistern is empty, and the three pipes act at the same time, how long will it take to fill the cistern ? Ans. 6 hours. MENSURATION. ARTICLE 358. MENSURATION literally means the art of meo» wing. It teaches... | |
 | Benjamin Greenleaf - Arithmetic - 1877 - 170 pages
...first can mow it in 8 days, and the second in 10 ; how long will it take them both to mow the field ? 7. A cistern has 3 pipes ; the first will fill it...cistern ? 10. A and B together can build a wall in 8 days, but with the aid of С they can build it in 5 days ; how long will it take С to build it alone... | |
 | Benjamin Greenleaf - Arithmetic - 1877 - 160 pages
...how long will it take to fill the cistern ? • 9. A cistern has 4 pipes ; the first will fill it iii 2 hours, the second will fill it in 3 hours, the third...cistern ? 10. A and B together can build a wall in 8 days, but with the aid of С they can build it in 5 days ; how long will it take С to build it alone... | |
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A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern... 
