document.write( "Question 137217: The bill for three glasses of orange juice and 5 pancake specials is 7.60, but the bill for five glases of orange juice and 4 pancake specials is 7.90. What would be the bill for one glass of orange juice and one panckae special? Write a system of equations for the given facts. Solve the system. \n" ); document.write( "
Algebra.Com's Answer #100397 by checkley77(12844)\"\" \"About 
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3O+5P=7.6 MULTIPLY THIS EQUATION BY 5
\n" ); document.write( "5O+4P=7.9 MULTIPLY THIS EQUATION BY -3 & ADD THEM
\n" ); document.write( "15O+25P=38
\n" ); document.write( "-15O-12P=-23.7
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\n" ); document.write( "13P=14.3
\n" ); document.write( "P=14.3/13
\n" ); document.write( "P=1.10 PRICE OF ONE PANCAKE.
\n" ); document.write( "3O+5*1.1=7.6
\n" ); document.write( "3O+5.5=7.6
\n" ); document.write( "3O=7.6-5.5
\n" ); document.write( "3O=2.1
\n" ); document.write( "O=2.1/7
\n" ); document.write( "O=.30 COST OF ONE ORANGE.
\n" ); document.write( "1.10+.30=$1.40 COST OF 1 ORANGE & 1 PANCAKE.\r
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