Question 30
If the answer is not an integer, give the nearest integer. If the calculated answer has more than five digits, give its last five digits.
Optional bonus. The straight road between Jack’s and Ann’s homes is 77 km. Jack leaves home at noon (12:00) for Ann’s home, immediately turns there and returns home. A little while after noon, Ann leaves her home for Jack’s, immediately turns there and returns to her own home. Neither rests on the way. Ann reaches home at 17:06. They first pass each other when Ann has travelled 11.5 km from her home towards Jack’s. They both continue to the other home, turn back, and pass each other again, on their return journeys, 10.5 km from Ann’s home. At what time does Jack reach home? Give a four-digit time: for example, 13:25 is 1325 and 17:54 is 1754.
Optional bonus. The straight road between Jack’s and Ann’s homes is 77 km. Jack leaves home at noon (12:00) for Ann’s home, immediately turns there and returns home. A little while after noon, Ann leaves her home for Jack’s, immediately turns there and returns to her own home. Neither rests on the way. Ann reaches home at 17:06. They first pass each other when Ann has travelled 11.5 km from her home towards Jack’s. They both continue to the other home, turn back, and pass each other again, on their return journeys, 10.5 km from Ann’s home. At what time does Jack reach home? Give a four-digit time: for example, 13:25 is 1325 and 17:54 is 1754.