document.write( "Question 347692: can you please help me with this word problem? I am suppose to write equations for this word problem and they are suppose to fit in a matrix.
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document.write( "Word Problem: The senior class is selling greeting cards. Birthday Cards sell for $5.00 a box. Thank You cards sell for $7.00 a box. You sold 4 more boxes of birthday cards than thank you cards. your total sales was $152.00. How many Boxes of each kind did you sell? \r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #248552 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Word Problem: The senior class is selling greeting cards. \n" ); document.write( "Birthday Cards sell for $5.00 a box. \n" ); document.write( "Thank You cards sell for $7.00 a box. \n" ); document.write( "You sold 4 more boxes of birthday cards than thank you cards. \n" ); document.write( "your total sales was $152.00. \n" ); document.write( "How many Boxes of each kind did you sell? \n" ); document.write( "--------------------- \n" ); document.write( "Equations: \n" ); document.write( "Quantity Eq.:: b = t+4 \n" ); document.write( "Value Eq.:::: 5b + 7t = 152 \n" ); document.write( "------- \n" ); document.write( "Rearrange for Matrix: \n" ); document.write( "b - t = 4 \n" ); document.write( "5b +7t = 152 \n" ); document.write( "-------------------- \n" ); document.write( "Using a Matrix Method I get: \n" ); document.write( "b = 15 (# of birthday card boxes sold) \n" ); document.write( "t = 11 (# of thankyou card boxes sold) \n" ); document.write( "============================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |