document.write( "Question 1065364: a piggy bank contained 55 coins comprised of dimes and quarters. the coins added up to $9.25. how many quarters were in the piggy bank. \n" ); document.write( "

Algebra.Com's Answer #680521 by Edwin McCravy(20060) $\"\"$ $\"About$

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a piggy bank contained 55 coins comprised of dimes and quarters.
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document.write( "So:   x + y = 55\r\n" );
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document.write( "So: 0.10x + 0.25y = 9.25\r\n" );
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document.write( "That gives you the system of equations:\r\n" );
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document.write( "Multiply the second equation through by 100:\r\n" );
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document.write( "Solve this for x and y by substitution or elimination. \r\n" );
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document.write( "Edwin

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