Two wine

In 2:1 mix wine solution cost 4.1 USD.
In 1:2 mix wine solution cost 4.5 USD.

How much cost liter of each wine?

Correct result:

x =  3.7 USD/l
y =  4.9 USD/l

Solution:

x=2 4.14.5=3710 USD/l=3.7 USD/l

2x+y=3•4.1; x+2y=3•4.5

2•x+y=3•4.1
x+2•y=3•4.5

2x+y = 12.3
x+2y = 13.5

x = 37/10 = 3.7
y = 49/10 = 4.9

Our linear equations calculator calculates it.



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