The cost of variety I rice is Rs. 30kg, and variety 2 rice is Rs. 40kg. If Both the varieties are mixed in the ratio of 2:3, then the price per kg of the mixed variety of rice is ?
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2
Answer:
36
Step-by-step explanation:
let the quantity of variety 1 rice is 2x kg and the variety 2 rice is 3x kg according to their mixed ratio.
now the price of 2x kg rice of variety 1 is
= Rs.30×2x =Rs.60x
now the price of 3x kg rice of variety 2 is
= Rs.40×3x =Rs.120x
therefore, total rice purchased = 2x+ 3x =5x
total price of that rice= Rs60x + Rs120x =Rs 180x
therefore, the price per kg of the mixed rice
=Rs180x÷5x
=Rs36
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