If 2 pencils and 3 erasers cost R.9 and 4 pencils and 6 erasers cost form linear equations
to represent this situation
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The cost of 4 dozen pencils, 3 dozen pens and 2 dozen erasers is Rs. 60. The cost of 2 dozen pencils, 4 dozen pens and 6 dozen erasers is Rs. 90 whereas ...
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