Mathematics
Mathematics, 03.11.2020 03:50, kahliey

Fifteen percent of the pigment in paint color A is black. Sixty percent of the pigment in paint color B is black. An unknown amount of paint color B is mixed with 40 ml of paint color A, resulting in a paint that contains 25% black pigment.

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Fifteen percent of the pigment in paint color A is black. Sixty percent of the pigment in paint colo...

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