document.write( "Question 1168237: Mark car consume 15 liters of gasoline to travel 150 kilometers.At that rate how much gasoline will his car use to travel 400 kilometers?\r
\n" ); document.write( "\n" ); document.write( "Lucy is 12 years older than her sister Macy four years from now.Macy will be two third as old as Lucy.How old are they now?
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Algebra.Com's Answer #792856 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Mark car consume 15 liters of gasoline to travel 150 kilometers.At that rate how much gasoline will his car use to travel 400 kilometers?
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\n" ); document.write( "\n" ); document.write( "\"15%2F150=x%2F400\"-------very simple proportion\r
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\n" ); document.write( "\n" ); document.write( "For the next one maybe you mean like:\r
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\n" ); document.write( "Lucy is 12 years older than her sister Macy. Four years from now, Macy will be two third as old as Lucy.
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\n" ); document.write( "\n" ); document.write( "Simple algebra, or maybe just arithmetic
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