1.Gary drives a car at a speed of 80km/h from city A to city B. At the same
time, Louisa and Connie dive at a speed of 60km/h and 65km/h respectively
from city B to city A. If Gary meets Louisa 30minutes after he has met
Connie, find the distance between city A and city B.
(Hint: Assume Gary meets Connie after travelling for x hours.)
Maths!!!
2008-08-23 8:25 pm
回答 (1)
2008-08-23 8:39 pm
✔ 最佳答案
Let the distance between city A & B be X km.X/(80+60) - X/(80+65) = 1/2
X = 2030 km
收錄日期: 2021-04-23 23:53:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080823000051KK01154