Romila went to a stationary shop and purchased 2 pencils and 3 erasersfor Rs 9.Her friend sonali saw the new variety of pencils and erasers with Romila,and she also bought 4 pencils and 6 erasers of the same kind for Rs 18.Represent this situation algebraically and graphically.
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Answer:
2x +3 y =9
4x +6y =18 which is twice the amount.
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