2026年9月国际C卷练习 · 第 6 题

2026年9月国际C卷练习 · 原库模块 2 · Q6 参考答案

There is a linear relationship between the amount of salt x, in grams, and the amount of water y, in liters, in a certain body of seawater. The table shows this relationship for three samples of this seawater.

Which equation represents this relationship?