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A pencil costs 0.30 and a pen costs 0.50. You buy 10 pencils and the total is $7.50. How many pens did you buy.
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A pencil costs 0.30 and a pen costs 0.50. You buy 10 pencils and the total is $7.50. How many pens did you buy.

User Deblocker
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You will buy 15 pens
User Loathing
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