document.write( "Question 420849: If the bill for 5 apple juices and 4 salads is $9.50, but the bill for 4 apple juices and 5 salads is $10.30, then how much would 1 apple juice and 1 salad cost? \n" ); document.write( "
Algebra.Com's Answer #293957 by mananth(16946)\"\" \"About 
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Cost of Apple juice---- x
\n" ); document.write( "Cost of Salad-----------y
\n" ); document.write( "5x+4y=9.5.............1
\n" ); document.write( "4x+5y=10.3.............2
\n" ); document.write( "
\n" ); document.write( "multiply (1)by -5
\n" ); document.write( "Multiply (2) by 4
\n" ); document.write( "-25x-20y =-47.5
\n" ); document.write( "16x+20y= 41.2
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\n" ); document.write( "Add the two equations
\n" ); document.write( "-9x=-6.3
\n" ); document.write( "/-9
\n" ); document.write( "x= 5/7= $0.70 Apple juice
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "
\n" ); document.write( "5x+4y =9.5
\n" ); document.write( "3.5+4y=9.5
\n" ); document.write( "4y=9.5-3.5
\n" ); document.write( "4y=6
\n" ); document.write( "/4
\n" ); document.write( "y=$1.50 Salad
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