8kg of tea consisting Rs240 per kg is mixed with 9kg of tea costing Rs25o per kg. The average price per kg of the mixed tea is

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Solution

Total quantity of tea = $8 + 9$ = $17$ kg
Total amount of tea = $8 \times 240 + 9 \times 250$ = $4170$
Average price per kg = $\frac{4170}{17}$ = $245.29$

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How many kilos of tea worth rs72 per kg should be mixed with 10 kg of tea worth Rs 90 per kg to prodoce a mixture which will cost 78 per kg???!????

how many kilos of tea worth rs 72 per kg should be mixed with 10 kg of tea worth rs 90 per kg to produce a mixture which will cost rs 78 per kg

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