 | Benjamin Greenleaf - 1879 - 376 σελίδες
...the quantity of each ? Ans. Wheat, 29 bushels ; barley, 44 bushels ; and oats, '3 bushels. 8. A and B can perform a piece of work in 8 days, A and C in 9 days, and B and C in 10 days ; in how many days can each alone perform it ? Ans. A, in 1-1JJ-... | |
 | Charles Davies - 1879 - 288 σελίδες
...!4 JL_J_. x "* 30 ~ 12 1 • clearing of fractions, 60 + 2x = 5x ; . • . ж = 20. 20. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and 0 in 10 days : how many days would it take each .person to perform... | |
 | Edward Olney - 1881 - 506 σελίδες
...-jr ab + ac— be JJJ ab + ac + bc days. Deduce from these results those of the preceding example. 8. If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C together in 10 days, in how many days can each alone perform the same work? Ans., A in 14f£ days,... | |
 | William James Milne - 1881 - 360 σελίδες
...the fourth divided by 4, the sun), product, difference, and quotient shall all be equal. 6. A and B can perform a piece of work in 8 days; A and C can do it in 9 days, and B and C in 10 days. In how many days can each do the same work alone? 7. A... | |
 | Edward Brooks - 1888 - 190 σελίδες
...Am. 4; 8; 3; 12. 9. A and B can do a piece of work in 12 days, A and C in 15 days, and B and C in 20 days ; how many days will it take each person to perform the same work alone ? Ans. A, 20; B, 30; C, 60. 10. The sum of 3 fractions is 2^ : the sum of the first and third equals twice the... | |
 | Charles Davies - 1891 - 306 σελίδες
...8d. for the horse; £6 13s. 4d. for the harness ; £40 for the chaise. 6. If A and B together can do a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days, how many days would it take each to perform the same work alone? Am. A, 14f£ days; B, 17£f ; C, 7. Three persons,... | |
 | William James Milne - 1892 - 370 σελίδες
...and the fourth divided by 4, the sum, product, difference, and quotient will all be equal. 6. A and B can perform a piece of work in 8 days ; A and C can do it in 9 days, and B and C in 10 days. In how many days can each do the same work alone ? 7.... | |
 | Michigan. Department of Public Instruction - 1896 - 710 σελίδες
...V^~and give rule. Voz — ft 3Vää; — 26 8. Solve - — — — Vox + b &/ax + bb 9. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and С together in 10 days, in how many daya can each alone perform the... | |
 | Edward Brooks - 1901 - 248 σελίδες
...Ans. 4; 8; 3; 12. 9. A and B can do a piece of work in 12 days, A and C in 15 days, and B and C in 20 days ; how many days will it take each person to perform the same work alone ? Ana. A, 20; B, 30; 0,60. 10. The sum of 3 fractions is 2J : the sum of the first and third equals... | |
 | Michigan. Department of Public Instruction - 1905 - 396 σελίδες
...u+x+y+z=17 v+x+y+z=18 6. Find the value of x in the following equations: (b) 3x*+2x=21. 7. A and B can perform a piece of work in 8 days, A and C can do it in 9 days, and B and C in 10 days. In how many days can each do the work alone? 8. Robbers... | |
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If A and B together can perform a piece of work in 8 days, A and c together in 9 days, and B and c in 10 days, how many days will it take each person to perform the same work alone. 
