If 15% of Y is same as 21% of Z, then 12.5% of Y is equal to what per cent of Z?20%17.5%13%9.5%
Question
If 15% of Y is same as 21% of Z, then 12.5% of Y is equal to what per cent of Z?20%17.5%13%9.5%
Solution
Given that 15% of Y is equal to 21% of Z, we can write this as an equation:
0.15Y = 0.21Z
We are asked to find what percent of Z is equal to 12.5% of Y. We can write this as:
0.125Y = ?%Z
We can solve for ? by substituting the value of Y from the first equation into the second equation:
0.125(0.21Z/0.15) = ?%Z
Solving this equation gives:
? = 0.175 or 17.5%
So, 12.5% of Y is equal to 17.5% of Z.
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