document.write( "Question 79115: at 1:00 p.m., a car leave a city and travels north at a rate of 55mi/h. An hour later, a second care leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart? \n" ); document.write( "
Algebra.Com's Answer #56778 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 55T+60(T-1)=285 \n" ); document.write( "55T+60T-60=285 \n" ); document.write( "115T=285+60 \n" ); document.write( "115T=345 \n" ); document.write( "T=345/115 \n" ); document.write( "T=3 HOURS AFTER THE FIRST CAR LEAVES THEY WILL BE 285 MILES APART. \n" ); document.write( "PROOF: \n" ); document.write( "55*3+60*2=285 \n" ); document.write( "165+120=285 \n" ); document.write( "285=285 \n" ); document.write( " |