There are three families. First family consists of 2 male members, 4 female members and 3children. Second family consists of 3 male members, 3 female members and 2 children. Third family consists of 2 male members, 2 female members and 5 children. Male member earns Rs500 per day and spends Rs 300 per day. Female member earns Rs 400 per day and spends Rs250 per day child member spends Rs 40 per day. Find the money each family saves per day using matrices? please give me the answer in detail please!!!

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