document.write( "Question 873611: Rachael can solve 12 math problems in 50 minutes. At that same rate,
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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)![]() ![]() 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 \n" ); document.write( " \n" ); document.write( " |