Problem Solving
试题详情
题目：
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?
选项:
A、20
B、36
C、48
D、60
E、84
答案:
C
