Question 1
Case Study - 1 Three students, Neha, Rani and Sam go to a market to purchase stationery items. Neha buys 4 pens, 3 notepads and 2 erasers and pays ₹60. Rani buys 2 pens, 4 notepads and 6 erasers for ₹90. Sam pays ₹70 for 6 pens, 2 notepads and 3 erasers.
Based upon the above information, answer the following question: (iii) (a) Find , if possible, and write the formula to find .
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