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zhenek [66]
3 years ago
8

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? How many ounces of chemical are in the final mixture? 1 2.5 7.5
Mathematics
2 answers:
Lyrx [107]3 years ago
6 0

Answer:

the answer is= 2.5

Step-by-step explanation:

good luck!

satela [25.4K]3 years ago
4 0
Let x be the amount of the solution containing 10% of the chemical. Then, the solution with 40% chemical becomes 10 - x. The equation for balancing the chemical content of the solution is,
0.10x + 0.40(10 - x) = 0.25(10)
The value of x is 5. Hence, the druggist should mix 5 ounces of each. There are 2.5 ounces of chemical in the final mixture.
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