Question
Yen bought a ring for $31.20 and received a change of $10.80. 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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Yen bought a ring for $31.20 and received a change of $10.80. She gave the cashier a $10-note and some $2-notes. How many $2-notes did she give to the cashier?