document.write( "Question 873611: Rachael can solve 12 math problems in 50 minutes. At that same rate,
\n" ); document.write( "how many problems would she be able to solve in 20 minutes?
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Algebra.Com's Answer #527018 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
12/50=x/20
\n" ); document.write( "50x=240
\n" ); document.write( "5x=24
\n" ); document.write( "x=24/5=4.8\r
\n" ); document.write( "\n" ); document.write( "check reasonableness
\n" ); document.write( "20 is less than half of 50 so x must be less than half of 12
\n" ); document.write( "12/50=6/25
\n" ); document.write( "so it must be less than 6 since it takes her 25 minutes to do 6
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