document.write( "Question 1057621: There is a herd of 45 penguins. 15 penguins decide to migrate to another herd. What is the percent change of penguins? \n" ); document.write( "
Algebra.Com's Answer #672657 by Alan3354(69443)\"\" \"About 
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There is a herd of 45 penguins. 15 penguins decide to migrate to another herd. What is the percent change of penguins?
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\n" ); document.write( "Of which herd?
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