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ZX-37670275EB2025年3月美国C卷练习 · 第 14 题
2025年3月美国C卷练习 · 原库模块 1 · Q14 原库参考解析
Tanya drove on the highway and on local roads to complete a trip of 290 miles. The drive took 5 hours. She drove an average speed of 65 miles per hour (mph) on the highway and an average speed of 30 mph on local roads. If x is the time, in hours, Tanya drove on the highway and y is the time, in hours, she drove on local roads. Which system of equations represents this situation?
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