Bluebook试题10 · 第 11 题

Bluebook试题10 · 原库模块 2 · Q11 原库参考解析

Jay walks at a speed of 3 miles per hour and runs at a speed of 5 miles per hour. He walks for w hours and runs for r hours for a combined total of 14 miles. Which equation represents this situation?

Bluebook试题10 · 第 11 题

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