document.write( "Question 684457: Joanna bought a certain number of pens and pencils. Each pen costs 90 cents, and each pencil 40 cents. Altogether, she paid 3 dollars and 50 cents? How many pencils did Joanna buy? \r
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Algebra.Com's Answer #424118 by ReadingBoosters(3246)\"\" \"About 
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2 pencils
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