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A coffee shop mixes two types of beans. Type A costs $10/kg and Type B costs $20/kg. To make 10 kg of a mixture costing $14/kg, how many kg of Type A are needed?
Question 1 of 10
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A coffee shop mixes two types of beans. Type A costs $10/kg and Type B costs $20/kg. To make 10 kg of a mixture costing $14/kg, how many kg of Type A are needed?