Data Sufficiency (DS) | Re: A certain customer at a health food store purchased organic bananas at

As per me, answer should be A, because B gives just ratio but no numerical number/variable. At the same time A gives us algebraic equation with with we can arrive to exact numbers. 0.70a+0.60b=5.60 (I tested all numbers from 1 to 8 and only 2 and 7 work) Answer is A

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