document.write( "Question 613224: Could someone help me with this problem? Could someone explain it to me, please!\r
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document.write( "A scale model of a train engine is 1 and three fourths (1 3/4) inches long. A real engine is 28 feet long. If a freight car on the model train is three eights (3/8) inch long, what is the actual size of the freight car on the real train?\r
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document.write( "A. 6 feet\r
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document.write( "B. 42 feet\r
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document.write( "C. 72 feet\r
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document.write( "D. 512 feet\r
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Algebra.Com's Answer #385893 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Could someone help me with this problem? Could someone explain it to me, please! \n" ); document.write( "A scale model of a train engine is 1 and three fourths (1 3/4) inches long. A real engine is 28 feet long. If a freight car on the model train is three eights (3/8) inch long, what is the actual size of the freight car on the real train? \n" ); document.write( "---- \n" ); document.write( "Use a proportion: \n" ); document.write( "x/(3/8) = 28 ft/(1 3/4)in \n" ); document.write( "------ \n" ); document.write( "x = (3/8)(28/(7/4)) \n" ); document.write( "x = (3/8)(4/7)(28) \n" ); document.write( "x = (3/8)16 \n" ); document.write( "x = 3*2 \n" ); document.write( "x = 6 ft. \n" ); document.write( "------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( "A. 6 feet \n" ); document.write( "B. 42 feet \n" ); document.write( "C. 72 feet \n" ); document.write( "D. 512 feet \n" ); document.write( " \n" ); document.write( " |