document.write( "Question 109163This question is from textbook
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document.write( ": Starting one hour later, Jonathan sets out walking at 8 km/h to overtake his little sister who averages 5 km/h. How long woll it take Jonathan? \n" );
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Algebra.Com's Answer #79618 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Starting one hour later, Jonathan sets out walking at 8 km/h to overtake his little sister who averages 5 km/h. How long will it take Jonathan? \n" ); document.write( ": \n" ); document.write( "Let t = time it takes J to catch up with his sister \n" ); document.write( "Then \n" ); document.write( "(t+1) = time traveled by the sister \n" ); document.write( ": \n" ); document.write( "When J catches up with his sister, they will have traveled the same distance \n" ); document.write( "Write a distance equation; Distance = speed * time \n" ); document.write( ": \n" ); document.write( "8t = 5(t+1) \n" ); document.write( "8t = 5t + 5 \n" ); document.write( "8t - 5t = 5 \n" ); document.write( "3t = 5 \n" ); document.write( "t = \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm solution by find the distances: \n" ); document.write( "8 * (5/3) = 40/3 \n" ); document.write( ": \n" ); document.write( "5 * (3/3 + 5/3) = 40/3 \n" ); document.write( " |