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ZX-C3881D096524年8月北美C卷练习 · 第 5 题
24年8月北美C卷练习 · 原库模块 1 · Q5 原库参考解析
At a school carnival, students can win colored tickets that are worth a different number of points depending on the color. One student won G green tickets and R red tickets worth a total of 520 points. The equation 60G + 70R = 520 represents this situation. How many more points is a red ticket worth than a green ticket?
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