document.write( "Question 519427: How to & steps to solve:
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document.write( "Justin drove to his parents 175 miles away. On his way there his speed averaged 24 times faster then on his way back. He drove a total of 5 hours. What was his speed on the way there and on the way back?\r
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document.write( "I've solved it to:
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document.write( "175s+175(5+24)=5s(s+24)\r
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document.write( "But I'm stuck there. I don't know what to do next. \n" );
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Algebra.Com's Answer #345581 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Justin drove to his parents 175 miles away. \n" ); document.write( " On his way there his speed averaged 24 times faster than on his way back. \n" ); document.write( " He drove a total of 5 hours. \n" ); document.write( " What was his speed on the way there and on the way back? \n" ); document.write( ": \n" ); document.write( "Let s = his speed back \n" ); document.write( "then \n" ); document.write( "24s = his speed there \n" ); document.write( ": \n" ); document.write( "Write time equation: time = dist/speed \n" ); document.write( ": \n" ); document.write( "There time + return time = 5 hrs \n" ); document.write( " \n" ); document.write( "Multiply by 24s, results \n" ); document.write( "175 + 24(175) = 24s(5) \n" ); document.write( "175 + 4200 = 120s \n" ); document.write( "4375 = 120s \n" ); document.write( "s = \n" ); document.write( "s = 36.46 mph on the way back \n" ); document.write( "then \n" ); document.write( "24(36.46) = 875 mph on the way there, must have used an F-16 Jet \n" ); document.write( " |