Mathematics, 18.10.2019 18:40, landonp101

Ahair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. how many milliliter of each are used to make a 300 ml solution that is 5% hydrogen peroxide?

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Ahair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. how...