document.write( "Question 1140768: on a trip of 600km, zoe drove part of the way at 80km/h and the remainder at 90km/h. if the total trip took 7 hours, how far did she drive at each rate
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Algebra.Com's Answer #761266 by greenestamps(13203)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Let x be the distance traveled at 80km/h; then (600-x) is the distance traveled at 90km/h. \n" ); document.write( "The time spent at 80km/h is then x/80; the time spent at 90km/h is (600-x)/90. \n" ); document.write( "The total time was 7 hours: \n" ); document.write( " \n" ); document.write( "Solve using basic algebra.... \n" ); document.write( " |