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Mathematics 7 Online
OpenStudy (anonymous):

A druggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other containing 40% of the chemical. How much of each mixture should he use to make 10 ounces that contain 25% of the chemical?

OpenStudy (dumbcow):

hmm why is this exact question coming up twice?

OpenStudy (dumbcow):

look at other post by @gaby236 for how to set it up

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