Solve the three problems below. Be prepared to present your solutions and your reasoning.
How much pure oil should be mixed with 80 mL of a 25% oil solution in order to get a 70% oil solution?
How much 20% pesticide and 50% pesticide should be mixed to make 6 liters of 40% pesticide solution?
How much 5% blue glaze should be mixed with some 60% blue glaze to make 80 mL of 40% blue glaze?
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