document.write( "Question 130349This question is from textbook Algebra 1
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\n" ); document.write( "13)The sum of two numbers is 248. Their difference is 64. Find the numbers.\r
\n" ); document.write( "\n" ); document.write( "14)Two cars leave town at the same time traveling in opposite directions. One travels 51 mi/h and the other travels 45mi/h. In how many hours will they be 432 miles apart?\r
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Algebra.Com's Answer #95244 by scott8148(6628)\"\" \"About 
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13) let x and y equal the two numbers __ x+y=248 and x-y=64
\n" ); document.write( "__ adding the two equations __ 2x=312 __ x=156
\n" ); document.write( "__ substituting __ 156+y=248 __ subtracting 156 __ y=92\r
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\n" ); document.write( "\n" ); document.write( "14) distance equals rate times time __ the two distances add __ let x=hours
\n" ); document.write( "__ x(51)+x(45)=432 __ 96x=432 __ dividing by 96 __ x=4.5
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