Mr. X went to market to purchase 3 kg of sugar, 10 kg of wheat and 1kg of salt. In a shop, ARPICO near to Mr. X’s residence, these commodities are priced at Rs 20, Rs10 and Rs 8 per kg whereas in the local market, CARGILLS these commodities are priced at Rs 15, Rs. 8 and Rs 6 per kg respectively. If the cost of traveling to CARGILLS is Rs 25, find the net savings of Mr. X, using matrix multiplication method.
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Dear naj, a similar problem can be found in the book 'Workout Mathematics for Economists' by Mabbett A.J.
I need a book realated to this question ?
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