A student bought 3 notebooks and 1 pen for #35.after misplacing these items, she again...
A student bought 3 notebooks and 1 pen for #35.after misplacing these items, she again...
A student bought 3 notebooks and 1 pen for #35.after misplacing these items, she again bought 2 notebooks and 2 pens, all of the same type for #30. What is the cost of a pen? And show the solution
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