for percent problem, try to pick a specific number, which is 100
suppose there is 100 coppies, so, there is p copies from A
there is 100-p copies from b
revenue from A is
1. p
revernue from B is
1.25 x (100-p)
r/100= p/ p+ 1.25(100-p)
very fast
suppose there is 100 coppies, so, there is p copies from A
there is 100-p copies from b
revenue from A is
1. p
revernue from B is
1.25 x (100-p)
r/100= p/ p+ 1.25(100-p)
very fast
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