document.write( "Question 565982: A tsunami destroyed 4/5 of a forest. If 10,800 trees were lost how many trees survived? \n" ); document.write( "
Algebra.Com's Answer #366074 by ad_alta(240)\"\" \"About 
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Use a proportion: (4/5)/10800=(1/5)/x for 'x' the number of survivors. We get x=2700. \n" ); document.write( "
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