document.write( "Question 1179391: A car uses 50 litres of fuel to complete a 400km along a highway.
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Algebra.Com's Answer #808932 by ikleyn(52864) $\"\"$ $\"About$

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document.write( "So the car makes   = 8 km per liter of the fuel.\r\n" );
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document.write( "Using 20 liters, the car will cover  8*20 = 160 kilometers.    ANSWER\r\n" );
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document.write( "     Or, you can write the proportion   = \r\n" );
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document.write( "and find the unknown distance  x  from it  x =  = 8*20 = 160 kilometers,\r\n" );
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document.write( "getting the same answer.\r\n" );
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