You can put this solution on YOUR website! A is 50% of B. B is 25% of C. C is what percent of A?
-------------
A = 0.5B
B = 0.25C
-----------------
C = B/(1/4) = 4B
-----
But B = 2A
---
Therefor:
C = 4(2A)
C = 8A
---
C is 800% of A
=====================
Cheers,
Stan H.