document.write( "Question 830805: Nancy drives 20 miles to her school each day. If she drives 10 miles per hour faster, it takes her 4 minutes less to get to school. Find her new speed \n" ); document.write( "
Algebra.Com's Answer #500906 by richwmiller(17219)\"\" \"About 
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rt=20,
\n" ); document.write( "(r+10)*(t-4/60)=20
\n" ); document.write( "r = 50, t = 2/5
\n" ); document.write( "r+10=60 new speed
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