document.write( "Question 901580: To travel 154 miles, it takes Sue, riding a moped, 2 hours less time than it takes Doreen to travel 54 miles riding a bicycle. Sue travels 16 miles per hour faster than Doreen. Find the times and rates of both girls. \n" ); document.write( "
Algebra.Com's Answer #546810 by josgarithmetic(39620)\"\" \"About 
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t = time for Doreen to go 54 miles.
\n" ); document.write( "r = Doreen's rate or speed.\r
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\n" ); document.write( "\n" ); document.write( "____________________speed_______time________distance
\n" ); document.write( "SUE_________________(____)______t-2_________154
\n" ); document.write( "DOREEN______________(____)______t____________54\r
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\n" ); document.write( "\n" ); document.write( "____________________speed_______time________distance
\n" ); document.write( "SUE_________________r+16________t-2_________154
\n" ); document.write( "DOREEN_______________r__________t____________54\r
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\n" ); document.write( "\n" ); document.write( "The rule for uniform travel rates is RT=D rate time distance. This gives the system of equations:
\n" ); document.write( "\"highlight_green%28system%28%28r%2B16%29%28t-2%29=154%2Crt=54%29%29\".
\n" ); document.write( "Solve the system for r and t.
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