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There are two grades of tea, grade A and grade B.

There are two grades of tea, grade A and grade B. Grade A cost Kshs.80 per kg and grade B cost Ksh.60 per kg. In what ratio must the two grades be mixed order to produce a blend worth Ksh.75 per kg.

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Wilfykil answered the question on September 6, 2019 at 08:10

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