Discussion
If 1.5x = 0.04y, then what is the value of \(\frac{(y-x)}{(y+x)}\)?
Answer: A
Given 1.5x = 0.04y.
This can be written as \(\frac{x}{y} = \frac{0.04}{1.5} = \frac{4}{150} = \frac{2}{75}\).
Now we need to find \(\frac{(y-x)}{(y+x)}\). Divide the numerator and denominator by y: \(\frac{(1 - x/y)}{(1 + x/y)}\).
Substitute the value of x/y: \(\frac{(1 - 2/75)}{(1 + 2/75)} = \frac{(73/75)}{(77/75)} = \frac{73}{77}\).
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