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MINUS 60% off? So, a 60% increase? #math
If
F(x) = x - x(0.6) = x(0.4)
is 60% off, then the original price with minus 60% off would be x - F(x), right?
Which would become
x - x(0.4) = x(0.6)
40% off
Looks interesting. I’ll give it a shot
