Let kg of grade A = x
Let kg of grade B = y
Cost of 1 kg of the mixture is
30x + 24y = 24.40
3.6x = 2.4y
36x = 24y
3x = 2y
Interchange the values
X = 2 and y = 3
The ratio is 2:3
johnmulu answered the question on March 6, 2017 at 05:44
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