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)![]() ![]() ![]() You can put this solution on YOUR website! t = time for Doreen to go 54 miles. \n" ); document.write( "r = Doreen's rate or speed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "____________________speed_______time________distance \n" ); document.write( "SUE_________________(____)______t-2_________154 \n" ); document.write( "DOREEN______________(____)______t____________54\r \n" ); document.write( " \n" ); document.write( " \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 \n" ); document.write( " \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( " \n" ); document.write( "Solve the system for r and t. \n" ); document.write( " |