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attashe74 [19]
3 years ago
9

Michael has 2 liters of a 10% solution. How much of a 17% solution would he need to add to get a 15% solution?

Mathematics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

5 liters

Step-by-step explanation:

Anton [14]3 years ago
4 0

Answer:

5 liters

Step-by-step explanation:

Let x represent the number of liters of the 17% solution, and represent the percentages as decimal values:

0.1(2) + (0.17)(x) = 0.15(x + 2)

Simplify:

0.2 + 0.17x = 0.15x + 0.3

Solve for x:

0.17x = 0.15x + 0.1

0.02x = 0.1

x = 5

So, you would need 5 liters of a 17% solution to get a 15% solution

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