In 469 dl red solution is 84 dl red color and in 102 dl blue solution is 52 dl blue color. How many dl of red and blue dl color solution must be mixed to get a mixture of 247 dl contain 116 dl of color?

Correct result:

x =  30 dl
y =  217 dl


x+y=247 84469x+52102y=116  x=30 dl
y=217 dl

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