BMAD Posted January 25, 2014 Report Share Posted January 25, 2014 Four black cows and three brown cows give as much milk in five days as three black cows and five brown cows give in four days. Which kind of cow provides more milk, black or brown? Quote Link to comment Share on other sites More sharing options...
0 bonanova Posted January 25, 2014 Report Share Posted January 25, 2014 5(4k+3n) = 4(3k+5n) 8k = 5n Go with Brown over Black by 60%. Quote Link to comment Share on other sites More sharing options...
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