26
3. Reading Ratios
Question: 30/20 = 60/x
Solution: Align 30 on the outside scale with 20 on the inside scale. At this
time, the answer of 40 can be read from the inside scale
corresponding to 60 on the outside scale. In addition, the ratio of
the value on the outside scale to the value on the inside scale is
30:20 at all positions on the scales.
To Next Page
Loading...
