document.write( "Question 422815: At noon Maria left the neighborhood and headed for the theater on her bike. She pedaled 10 mph. At 2:00, her friend got a ride along the sanme route from her parent. The parent drove 30 mph. How long did it take the car to catch up to Maria? \n" ); document.write( "
Algebra.Com's Answer #295045 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! At noon Maria left the neighborhood and headed for the theater on her bike. She pedaled 10 mph. At 2:00, her friend got a ride along the sanme route from her parent. The parent drove 30 mph. How long did it take the car to catch up to Maria? \n" ); document.write( "----- \n" ); document.write( "Maria DATA: \n" ); document.write( "rate = 10 mph ; time = x hrs ; distance = rt = 10x miles \n" ); document.write( "------------- \n" ); document.write( "Friend DATA: \n" ); document.write( "rate = 30 mph ; time = x-2 hrs ; distance = rt = 30(x-2) miles \n" ); document.write( "------------- \n" ); document.write( "Equation: \n" ); document.write( "10x = 30(x-2) \n" ); document.write( "10x = 30x-60 \n" ); document.write( "20x = 60 \n" ); document.write( "x = 3 hrs (catch-up time) \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " |