document.write( "Question 1176435: mrs mardis buys 2 granola bars and 3 coffees for $21.83. mrs doyle buys 5 granola bars and 1 coffee for $15.90. how much does one granola bar and one coffee cost? (a) define variables (b) write systems of equations (c) write the matrix representation of equation
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Algebra.Com's Answer #803342 by josgarithmetic(39630)\"\" \"About 
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\"system%282g%2B3c=21.83%2C5g%2Bc=15.9%29\" \n" ); document.write( "
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