document.write( "Question 255713: Car A travels 180 miles in the same time it takes Car B to travel 120 miles. If one car is going 20 mph faster than the other car, find both speeds?\r
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Algebra.Com's Answer #187964 by edjones(8007)![]() ![]() You can put this solution on YOUR website! st=d \n" ); document.write( "A) (s+20)t=180 \n" ); document.write( "B) st=120 \n" ); document.write( ". \n" ); document.write( "180/(s+20)=120/s \n" ); document.write( "180s=120(s+20) \n" ); document.write( "180s=120s+2400 \n" ); document.write( "3s=2s+40 \n" ); document.write( "s=40 mph \n" ); document.write( "s+20=60mph \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |