document.write( "Question 142844: Susie cycled to a park at an average speed of 10km/h. her uncle drove her home from the park at an average speed of 50km/h. her trip back took 1.6h less than herr trip to the park. Find the distance between Susie's home and the park. \n" ); document.write( "
Algebra.Com's Answer #103932 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! d=rt or rt=rt seeing as the d is the same. \n" ); document.write( "10x=50(x-1.6) \n" ); document.write( "10x=50x-80 \n" ); document.write( "10x-50x=-80 \n" ); document.write( "-40x=-80 \n" ); document.write( "x=2 hours is the time for biking the park. \n" ); document.write( "10*2=20 km is the distance between home & the park. \n" ); document.write( "proof: \n" ); document.write( "50(2-1.6)=50*.4=20 km is the distance of the ride home. \n" ); document.write( " \n" ); document.write( " |