Question

How many Kilograms of rice at rupees 50 per kg should be mixed with 10 kilogram of rice at rupeees 80 per kg to get a mixture of rupees 70 pe kg


Please tell me i cannot understand
please do it step by step​

Answer 1

Answer:

(10 × 80 + x × 50)/x + 10 = 70

=>800+ 50x = 70x + 700

=>20x = 100

=>x = 5

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Thank you