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buffalobills buffalobills
wrote...
Posts: 64
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12 years ago
How many liters of the 10% solution are needed?

Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for the specified variable.

I have no idea how to do this. Please help me!!
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wrote...
12 years ago
4 parts 4%
2 parts 10%

3.3333 L of 4%
1.6667 L of 10%

I don't know how to do this yet with 2 equations
Trial and error of 4x+10y/x+y=6
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