If 5 kg of salt costing Rs. 21 per kg and 3 kg of salt costing Rs. 25 per kg are mixed, then what is the average cost of the resulting mixture per kilogram?
Given:
Price of 5kg of salt = Rs. 21 per kg
Price of 3kg of salt = Rs. 25 per kg
Formula Used:
Average cost of mixture =
Solution:
Total cost of 5kg salt == Rs 105
Total cost of 3kg salt = = Rs 75
Total cost of both salt used to form mixture = Rs.105 + Rs 75 = Rs 180
Average cost of mixture =
= Rs 22.5 per kg
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