in what ratio must a grocer mix tea at rs. 45 a kg and rs. 62 a kg so that by selling the mixture at rs. 60 a kg, he may gain 20%
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Let the price of the mixed variety be Rs. x per kg.
By rule of alligation, we have:
Cost of 1 kg of Type 1 riceCost of 1 kg of Type 2 riceRs. 15Mean Price
Rs. xRs. 20(20 - x)(x - 15)
= >(20 - x)=2(x - 15)3
=> 60 - 3x = 2x - 30
=>5x = 90
= >x = 18.
By rule of alligation, we have:
Cost of 1 kg of Type 1 riceCost of 1 kg of Type 2 riceRs. 15Mean Price
Rs. xRs. 20(20 - x)(x - 15)
= >(20 - x)=2(x - 15)3
=> 60 - 3x = 2x - 30
=>5x = 90
= >x = 18.
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