 | Silas Ellsworth Coleman - Arithmetic - 1897 - 178 pages
...after spending half his money, earned 14 cents, and then had 30 cents. How much had he at first? 7. A and B together can do a piece of work in 8 da., and A working alone can do it in 20 da. In what time can B do it ? 8. Fred has 3 times as many... | |
 | George Edward Atwood - Arithmetic - 1899 - 392 pages
...sq. yd. 7 sq. ft 127 sq. in., 24 sq. yd. 141 sq. in., and 107 sq. rd. 12 sq. yd. 6 sq. ft. 9. A and B can do a piece of work in 8 days, A and C in 6 days, and A alone in 12 days. In how many days can B and C do it ? 10. If a speculator should... | |
 | Wilbur Fisk Nichols - Arithmetic - 1903 - 328 pages
...to June 6, 1903, at5J%. 14. Find the amount of $1,047.50 for 1 yr. 9 mo. 10 da., at 7%. 1. A and B can do a piece of work in 8 days, A and C in 9 days, and A alone in 12 days. In how many days can B and C do it ? 2. How many board feet are... | |
 | Wilbur Fisk Nichols - 1899 - 146 pages
...$129, if the rate of loss is 33 \%. 16. Find the cost of goods sold for $73.85 at a gain of 1. A and B can do a piece of work in 8 days, A and C in 9 days, and A alone in 12 days. In how many days can B and C do it ? a. How many board feet are... | |
 | George William Evans, John A. Marsh - Mathematics - 1916 - 280 pages
...equations: ® i+H -» HM ® 21 = x ® X 21 x The value of y may be found in a similar way. EXERCISE 76 1. A and B together can do a piece of work in 8$ days. If A worked 3 days and B 5 days, only half of the work would be done. How long would it take A alone... | |
 | A. H. Russell - Arithmetic - 1925 - 234 pages
...equal shovelfuls of earth a minute. In what time could each have filled the pit by himself ? A and B can do a piece of work in 8 days, A and C take 10 days, B and C take 12 days. How long will A, B and C take, working together 1 A can do a piece... | |
 | Charles Davies - Algebra - 1891 - 312 pages
...first, J of the second, and \ of the third, ma7 be all equal to each other. Ans. 8, 12, and 16. 6. If A and B together can do a piece of work in 8 days, A and 0 together in 9 days, and B and.C in 10 days, how many days would it take each to perform the same... | |
 | Michigan. Legislature - Michigan - 1896 - 1090 pages
...Si/ax — 26 8. Solve - — — — Vo« + 6 3Vua; + 56 9. If A and B together can perform a pieoe 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 work? 10. A is indebted to B $1,000... | |
 | British Columbia. Superintendent of Education - 1897 - 710 pages
...1 6 majority over B ; if there were 78 votes cast, how many votes had each? Ans. A B. 5. A, B and C can do a piece of work in 8 days, A and C can do the same work in 14 days ; in what time can B do it alone? Ans 6. What part of 4 rods is 3 fathoms... | |
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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 ten days ; how many days would it take each to perform the same work alone ? Ans. 
