最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦~
Jasmine drives the first 150 miles of her trip at an average speed of 50 miles per hour. If she drives the remaining 80 miles of her trip at an average of 40 miles per hour, what is her average speed, in miles per hour, for the entire trip?
C显示答案
以上解析由 考满分老师提供。