推 cmchen40:R和S尺度是呈直線比例 y=ax+b 09/19 11:25
→ sandisk:懂了 謝謝 09/19 14:36
A certain quantity is measured on two different scales, the R-scale and the
S-scale, that are related linearly. Measurements on the R-scale of 6 and 24
correspond to measurements on the S-scale of 30 and 60, respectively. What
measurement on the R-scale corresponds to a measurement of 100 on the S-scale?
A. 20
B. 36
C. 48
D. 60
E. 84
Answer: C
有人可以告訴我這題是在幹嘛嗎??
我都看不懂
我會非常感激的
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