Question
Xandra spent $45 on the pens. If Xandra bought 3 pens, she will get the 4th pen free. 1 pen cost $3. How many pens did she buy?
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Xandra spent $45 on the pens. If Xandra bought 3 pens, she will get the 4th pen free. 1 pen cost $3. How many pens did she buy?