document.write( "Question 454774: A 250 pound person needs a dosage of 3 cc. How much does a 140 pound person need? \r
\n" ); document.write( "\n" ); document.write( "Thanks! I need help. I am so confused.
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Algebra.Com's Answer #312271 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
3/250=x/140
\n" ); document.write( "3x=3*140
\n" ); document.write( "250x=420
\n" ); document.write( "x=1.68 cc
\n" ); document.write( "just work it as a ratio
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