document.write( "Question 145396:  How to solve this word problem?\r
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document.write( "2 cars started off in the same direction at the same time, but the first car was going twice as fast as the second car. In 5 hrs, the first car was ahead of the second car by 275 miles. How fast was going the second car? \n" );
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| Algebra.Com's Answer #106070 by checkley77(12844)      You can put this solution on YOUR website! 5x=5(2x)-275 \n" ); document.write( "5x=10x-275 \n" ); document.write( "5x-10x=275 \n" ); document.write( "-5x=-275 \n" ); document.write( "x=-275/-5 \n" ); document.write( "x=55 mph for the slower/second car. \n" ); document.write( "proof: \n" ); document.write( "5*55=10*55=-275 \n" ); document.write( "275=55-275 \n" ); document.write( "275=275\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |