Question
Xuan bought a necklace for $38.50 and received a change of $15.50. She gave the cashier a $10-note and some $2-notes. How many $2-notes did she give to the cashier?
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Xuan bought a necklace for $38.50 and received a change of $15.50. She gave the cashier a $10-note and some $2-notes. How many $2-notes did she give to the cashier?