Question:A merchant blends two brands of tea costing 60 new pence per kg an d80 new pence per kg in ratio 3:1. What is the cost of 1 kg of the mixture?
Answer Suppose he mixes 3 kg of 60p tea with 1 kg of 80p tea. Cost of 3 kg at 60p per kg is 180 new pence Cost of 1 kg at 80p per kg is 80 new pence Total cost of 4 kg of tea is 260 new pence Average cost per kg is 65 new pence.
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A merchant blends two brands of tea costing 60 new pence per kg an d80 new pence per kg in ratio 3:1. What is the cost of 1 kg of the mixture?