 | Samuel Mecutchen - 1880 - 288 σελίδες
...the fare of 9 men and 7 children for the same distance, children half fare ? 57. A can mow a field in 3£ days, B in 4£ days, and C in 5^ days ; in what time can they mow it, working together ? 58. There are 21 1£ gallons of water in a certain... | |
 | Samuel Mecutchen - 1880 - 262 σελίδες
...is the fare of 9 men and 7 children for the same distance, children half fare? 57. A can mow a field in 3£ days, B in 4| days, and C in 5^ days ; in what time can they mow it, working together ? • 58. There are 211£ gallons of water in a certain... | |
 | James William Nicholson - 1885 - 348 σελίδες
...before they will meet, if Л can travel the whole distance in 12£ hours, and B in 16f hours ? 99. A can do a piece of work in 3 days, B in 4 days, and С in 8 days. How long will it take all to do the work ? 100. A can do a work in 10 days, B in 12 days,... | |
 | New York (State). Department of Public Instruction - 1887 - 268 σελίδες
...Bank Discount. 2. What factors must the Greatest Common Divisor of two or more numbers contain ? 3. A can do a piece of work in 3 days ; B in 4 days ; C in 7 days. In what time will they do it all working together? 4. The sum of two numbers is 2 If... | |
 | George Albert Wentworth - 1890 - 518 σελίδες
...АД + 2 x .-. * = ¥ = 131 Therefore the son will be half as old as the father in 13} years. 16. A can do a piece of work in 3 days, B in 4 days, and C in 6 days. How long will it take them to do it working together 1 Let x = the number of days it will take... | |
 | George Albert Wentworth - 1891 - 380 σελίδες
...part both together can do in one day. 7 x Therefore they together can do the work in 3-^ days. 16. A can do a piece of work in 3 days, B in 4 days, and 0 in 6 days. How long will it take them to do it working together ? 17. A can do a piece of work in... | |
 | Eugene L. Dubbs - 1893 - 244 σελίδες
...and B owns n^ acres. If A should sell ^ of his land to B, how many acres would each then own? 33. A can do a piece of work in 3 days, B in 4 days, C in 6 days. In what time could all do a piece twice as large ? 34. A vest cost $4%, which was f of... | |
 | George Albert Wentworth - 1898 - 434 σελίδες
...+ 1=1. " 2 - -x Solving, x~—' Ц. ' ' Therefore, they together can do the work in 1¿ days. 30. A can do a piece of work in 3 days, B in 4 days, and C in 5 days. How many days will it take them to do it working together ? 31. A can do a piece of work in 6 days, B in 5 days,... | |
 | George Albert Wentworth - 1898 - 440 σελίδες
...day. .1 + 1=1. "2T3 x Solving, x = 1J. Therefore, they together can do the work in l£ days. 30. A can do a piece of work in 3 days, B in 4 days, and C in 5 days. How many days will it take them to do it working together ? 31. A can do a piece of work in 6 days, B in 5 days,... | |
 | Israel C. McNeill - 1902 - 154 σελίδες
...field in 4 days, B in 5 days. How many days would it take both ? 37. A can saw seven cords of wood in 3 days, B in 4 days, and C in 5 days. How many days would it take all three to saw seven cords ? 38. James has -^ as many marbles as John. If John... | |
| |
A can do a piece of work in 3 days, B in 4 days, and C in 5 days, how many... 
