Hi,
I would say : INFINITE
As:
x= 1, then y = 2
x= 3, then y = 6
For any x ( except x = 0), you always can find an y that equal to 2*x
NONE solution, IMO, is something like this:
x/y = 1/2 and x/y = 1/3
The two above conditions cannot be both happen, so there's no solution for x and y.
Hope it helps.
ratio..
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