How many kilograms of rice at rupees 50 per kilogram should be mixed with 10 kilograms of rice at rupees 80 per kilogram to get a mixture of rupees 70 per kilogram
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Answered by
23
(10*80+x*50)/x+10=70
800+50x=70x+700
20x=100
x=5
Answered by
2
Step-by-step explanation:
Total cost price of 20 kg of mixed rice = (12\times 30 + 8 \times 40) = 680Rs.
∴ A verage per kg price = \frac{680}{20} = 34Rs.
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