In three minutes Gabrielle can walk 300 metros. In five minutes Mara can walk 600 meters. They
They started walking at the same time along the same track. How far apart were they after 4 minutes?
A. 80 meters B. 100 meters C. 120 meters D. 300 meters要翻译 还有答案 过程详细
人气：480 ℃ 时间：2020-08-18 04:38:31
解答
先求速度：300/3=100m/分
600/5=120m/分
则4分钟后两人相距：
（120-100）*4=80米
答案为A能翻译一下吗Gabrielle3分走300米，Mara5分走600米，他们同时沿相同的路径走，4分后他们相距多远？
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