document.write( "Question 490368: A loaf of a bread and 6 rolls cost 100.00 . At the same prices, 2 loaves of bread and 3 rolls cost 128.00 . How much does one loaf and 3 rolls cost? How much does one loaf cost? What about one roll? \n" ); document.write( "
Algebra.Com's Answer #334016 by stanbon(75887)\"\" \"About 
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A loaf of a bread and 6 rolls cost 100.00 .
\n" ); document.write( "At the same prices, 2 loaves of bread and 3 rolls cost 128.00 .
\n" ); document.write( "----
\n" ); document.write( "Equations:
\n" ); document.write( "b + 6r = 100
\n" ); document.write( "2b+ 3r = 128
\n" ); document.write( "----
\n" ); document.write( "Multiply by 2 and solve for \"r\":
\n" ); document.write( "2b + 12r = 200
\n" ); document.write( "2b + 3r = 128
\n" ); document.write( "------------------
\n" ); document.write( "Subtract:
\n" ); document.write( "9r = 72
\n" ); document.write( "r = 8
\n" ); document.write( "---
\n" ); document.write( "Solve for \"b\":
\n" ); document.write( "b + 6r = 100
\n" ); document.write( "b + 6*8 = 100
\n" ); document.write( "b = 52
\n" ); document.write( "-----------------------------------------------
\n" ); document.write( "How much does one loaf and 3 rolls cost?
\n" ); document.write( "Solve: b + 3r = 52 + 3*8 = 76
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\n" ); document.write( "\n" ); document.write( "How much does one loaf cost? What about one roll?
\n" ); document.write( "one loaf = 52
\n" ); document.write( "one roll = 8
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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