2. 外语
  3. One hour after Tom started walking from X to Y, a distance of 45 miles. Bob started walking along the same road from Y to X. If

One hour after Tom started walking from X to Y, a distance of 45 miles. Bob started walking along the same road from Y to X. If

admin2022-12-19  17
问题 One hour after Tom started walking from X to Y, a distance of 45 miles. Bob started walking along the same road from Y to X. If Tom’s walking rate was 3 miles per hour and Bob’s was 4 miles per hour, how many miles had Bob walked when they met?
选项 A、24
B、23
C、22
D、21
E、19.5
答案A
解析 假设Bob走了n小时，那么(n+1)×3+n×4=45，得到n=6，Bob共走了4×6=24英里，选择A。
转载请注明原文地址:https://kaotiyun.com/show/EGqD777K
本试题收录于： GMAT QUANTITATIVE题库GMAT分类
0

GMAT QUANTITATIVE

GMAT

相关试题推荐
随机试题
最新回复(0)