1/8% = 0.00125
0.00125x = 0.04
x = 0.04/0.00125
x = 32
Just to make sure I'm correct for this problem .04 is 1/8% of what number I would put .04 over x and I could use 12.5% over 100 since 1/8%=12.5 and I would get 3.125
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