...place, and travels at the rate of 7 miles in 5 hours ; B starts from the same place 8 hours after A, and travels in the same direction at the rate of 5 miles in 3 hours. How far will A travel before he is overtaken byB? SOLUTION. Let x denote x = the number...

...solution of which gives 42 hours. 40. A sets out and travels at the rate of 7 miles in 5 hours. Eight hours afterwards B sets out from the same place and...travels in the same direction, at the rate of 5 miles in 3 hours. In how many hours will B overtake A ? 41. A person walks to the top of a mountain at the...

...go 100 x 5 yards, or 500 yards. 8. A sets out and travels at the rate of 18 miles in 5 hours. Twelve hours afterwards B sets out from the same place and travels in the same direction, at the rate of 15 miles in 4 hours. In how many hours will B overtake A ? 9. A courier who goes at the rate of 31-^...

...solution of which gives 42 hours. 33. A sets out and travels at the rate of 7 miles in 5 hours. Eight hours afterwards B sets out from the same place and...travels in the same direction, at the rate of 5 miles in 3 hours. In how many hours will B overtake A ? 34. A person walks to the top of a mountain at the...

...20y Therefore the tank can be filled by the three pipes together in | j J hours, or 40|f minutes. 24. A sets out and travels at the rate of 9 miles in 2...miles an hour. In how many hours will B overtake A 1 Let x = the number of hours in which B will overtake A. Then x + 7 = the number of hours A will have...

...12 z = 15 a: -75. .-. x - 25. Therefore the second courier will overtake the first in 20 hours. 24. A sets out and travels at the rate of 9 miles in 2...place and travels in the same direction at the rate of 6 miles an hour. In how many hours will B overtake A ? 25. A man walks to the top of a mountain at...

...17 x Ц 2J 3. Whence, x = 48J. 40. A sets out and travels at the rate of 7 miles in 5 honra. Eight hours afterwards, B sets out from the same place,...travels in the same direction at the rate of 5 miles lu 3 hours. In how many hours will B overtake A? Let x = number of hours A is travelling. Then x —...

...42 hours. 40. A sets out and travels at the rate of 7 miles in 5 hours. Eight hours afterwards, В sets out from the same place and travels in the same direction, at the rate of 5 miles in 3 hours. In how many hours will B overtake A ? 41. A person walks to the top of a mountain at the...

...вх = (x - 5) Ц, .: x = 25. Therefore the second courier will overtake the first in 20 hours. , 24. A sets out and travels at the rate of 9 miles in : hours. Seven hours afterwards B sets out from the same place and travels in the same direction at...

...and 5 hours, respectively. In what time will it be emptied if all three are running together ? 11. A sets out and travels at the rate of 9 miles in 5 hours. Six hours afterwards, В sets out from the same place and travels in the same direction, at...