Question
Usha has twice as many pens as Tina. After Tina has bought another 54 pens, Tina has twice as many pens as Usha. How many pens does Tina have at first?
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Usha has twice as many pens as Tina. After Tina has bought another 54 pens, Tina has twice as many pens as Usha. How many pens does Tina have at first?