document.write( "Question 942227: the piggy bank had $25.65 in dimes and quarters, if there were 20 more quarters than dimes, how many dimes were in the piggy bank? \n" ); document.write( "

Algebra.Com's Answer #574377 by TimothyLamb(4379) $\"\"$ $\"About$

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x = number of dimes
\n" ); document.write( "y = number of quarters
\n" ); document.write( "---
\n" ); document.write( "10x + 25y = 2565
\n" ); document.write( "y = x + 20
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form
\n" ); document.write( "---
\n" ); document.write( "10x + 25y = 2565
\n" ); document.write( "x - y = -20
\n" ); document.write( "---
\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
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\n" ); document.write( "---
\n" ); document.write( "solution:
\n" ); document.write( "x = 59
\n" ); document.write( "y = 79
\n" ); document.write( "---
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