Two blends of commodities each costing $ 35 and $40 per kg respective

Two blends of commodities each costing $ 35 and $40 per kg respectively are mixed in the ratio of 2:3 by weight. if one-fifth of the mixture is sold at $46 per kg and remaining is sold at $55 per kg then the overall profit percentage on the whole transaction is (A)20% (B)25% (C)30% (D)40% (…)