 | Charles Waterhouse - Arithmetic - 1842 - 178 pages
...they finish a piece of work ? * First, HHH- :&=§*• Then, if 27 :6 : :24 :5 days 4 hours, Ans. 11. A and B can do a piece of work in 5 days ; A can do it alone in 7 days. In what time can B do it by himself? * Thus, 7—5=2. Then, if 2 : 5... | |
 | Charles WATERHOUSE - Arithmetic - 1844 - 228 pages
...in what time can they finish a piece of work ? l+l+TSj=^i- As 27 : 6 : : 24 : 5 days, 4 h., Ans. 9. A and B can do a piece of work in 5 days ; A can do it alone in 7 days. In what time can B do it by himself? Thus, 7—5=2. Then, as 2 : 5 :... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 310 pages
...12 o'clock ; when will they next be together ? Ans. Ih. 5m. 27^-sec. • : 74. A and B can perform a piece of work in 5^- days, B and C in 6§ days, and A and C in 6 days ; in what time would each of them perform the work alone, and how long... | |
 | Horatio Nelson Robinson - Arithmetic - 1859 - 362 pages
...yards of cloth A of a yard wide, are equal to 12 yards f of a yard wide ? Ans. 11 J. 45. A, B, and C can do a piece of work in 5 days ; B and C can do it in 8 days ; in what time can A do it ? 46. A man put his money into 4 packages ; in the first... | |
 | Horatio Nelson Robinson - 1859 - 208 pages
...many yards of cloth that is £ of a yard wide are equal to 12 yards f of a yard wide ? 21. A, B, and C can do a piece of work in 5 days ; B and C can do it in 8 days ; in what time can A do it alone ? 22. A can build a piece of wall in 3 days, and... | |
 | Horatio Nelson Robinson - Arithmetic - 1860 - 190 pages
...many yards of cloth that is | of a yard wide arc equal to 12 yards | of a yard wide ? 21. A, B, and C can do a piece of work in 5 days ; B and C can do it in 8 days ; in what time can A do it alone ? 22. A can build a piece of wall in 3 days, and... | |
 | Horatio Nelson Robinson - Arithmetic - 1866 - 202 pages
...many yards of cloth that is | of a yard wide are equal to 12 yards | of a yard wide ? 21. A, B, and C can do a piece of work in 5 days ; B and C can do it in 8 days ; in what time can A do it alone ? 22. A can build a piece of wall in 3 days, and... | |
 | George Augustus Walton - Arithmetic - 1866 - 184 pages
...vest together cost $13 ; his vest and coat together cost $18 ; what was the cost of each article? 5. A and B can do a piece of work in 5 days : B and C can do it in 6 days, and A and C can do it in 10 days ; in what time can all do it together ? In what... | |
 | Chicago (Ill.). Board of Education - Education - 1869 - 340 pages
...paying -fa of what he earned for board he had $32 left. What were his wages per day ? 6. A, B and C can do a piece of work in 5 days ; B and C can do the same work in 8 days. How long will it take A to do the work alone ? 7. What is the value... | |
 | John Swett - Examinations - 1872 - 252 pages
...346S + A + 1 of | + 49f =what ? 3. Multiply 15! by ifr and divide the product by 27. 4. A, B, and C can do a piece of work in 5 days ; B and C can do it in 8 days ; in what time can A do it ? 5. If 5 be added to both terms of the fraction |,... | |
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A and B can do a piece of work in 5 days ; A can do it in 7 days ; in how many days can B do it ? Ans. 
