document.write( "Question 1049416: I don't understand how to set up this systems of equations. A coin bank contains 27 coins, all nickels, dimes, or quarters. The combined value of the nickels and dimes is $0.90. The combined value of the dimes and quarters is $4. How many coins of each type are in the bank?
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Algebra.Com's Answer #664973 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Your problem is solved at the bottom by using a matrix, \r\n" );
document.write( "under my alias AnlytcPhil.  Scroll down.\r\n" );
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document.write( "Edwin
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