...blow , the length of the arm being 24 inches, and that of the stick 60 1 Question, No. 10, by Gamma. A. and B. together can do a piece of Work in 12 hours, A. and C. in 80, and B. and ('. together in IS hours. In what time can each person doit separately...

...and the third in 75 hours. In what time will they do it, all working together ? Ans. 20 hours. 47- A and B together can do a piece of work in 12 hours, A and C together in 20 hours, and B and C together in 15 hours. In what time will they do it,...

...shillings a gallon there may be a gain of 10 per cent, on the outlay. 48. A and B can together do a work in 12 days; A and C in 15 days; B and C in 20 days : find in how many days they will do the work, all working together. 49. Find the square root of a...

...— 6J (a — c)' (b — a) (b — c)' (c — a) (c — b) 4. A and B can do a piece of work together in 12 days; A and C, in 15 days ; B and C, in 20 days. Find in what time all three together can do it. 5. Determine the value of x from the three simultaneous...

...20 hours. In what time can B and C together reap it? In what time can A, B, and C together reap it ? 33. A and B together can do a piece of work in 12 days, A and C in 15 days, B and 0 in 20 days. In what time can they do it, all working together ? NOTE III. If a pipe can fill a vessel...

...hours. In what time can B and С together reap it? In what time can A, B, and С together reap it ? 28. A and B together can do a piece of work in 12 days, A and С in 15 days, В and С in 20 days. In what time can they do it, all working together ? NOTE III....

...they finish the work in 6 days more. How long would it have taken B alone to do the whole work ? 14. A and B together can do a piece of work in 12 days, A and С in 15 days, and B and С in 20 days. In what time can they do it all working together, and in what...

...it take the third man to do it alone ? 27. A and B together can reap a field in 12 hours, A and 28. A and B together can do a piece of work in 12 days, A and С in 15 days, B and С in 20 days. In what time can they do it, all working together ? NOTE III. If...

...multiplied by 2, and the fourth divided by 2, the results will be equal. 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....

...off and B finishes the work in 30 days more. In how many days can each do the work ? «_ / ^ 4 ~& 14. A and B together can do a piece of work in 12 days. After working together 9 days, however, they call in C to aid them, and the three finish the work in...