Bluebook试题8 · 第 3 题

Bluebook试题8 · 原库模块 1 · Q3 原库参考解析

A producer is creating a video with a length of 70 minutes. The video will consist of segments that are 1 minute long and segments that are 3 minutes long. Which equation represents this situation, where x represents the number of 1-minute segments and y represents the number of 3-minute segments?

Bluebook试题8 · 第 3 题

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