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2025年3月国际C卷 · 第 5 题

2025年3月国际C卷 · 原库模块 1 · Q5 原库参考解析

In one week in 2017, a technician earned a total of $1,055 by working at her regular job and at a second job doing part-time work. The equation \( 20h+17c=1,055 \)  represents this situation, where h is the number of hours worked at her regular job and c is the number of hours worked at her second job. Which of the following is the best interpretation of 20 in this context?
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