A shopkeeper has 3 varieties of pens 'A','B' and 'C'. Meena purchased 1 pen of each variety for a total of Rs.21.Jeevan purchased 4 pens of 'A' variety, 3 pens of 'B' variety and 2 pens"c" variety for Rs.60. while Shika purchased 6 pens of 'A' variety, 2 pens of 'B' variety and 3 pens of 'C' variety for Rs.70. Using matrix method, find cost of each variety of pen.(HOW TO SOLVE THIS QUESTION)
Asked by reach2abhijeetsingh | 6th Aug, 2016, 05:08: PM
Expert Answer:

Answered by Vijaykumar Wani | 8th Aug, 2016, 11:13: AM
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