document.write( "Question 1116834: please help me solve this problem: A stack of 20 coins contains only nickels and quarters and has a total value of $4. How many nickels are in the stack? \n" ); document.write( "

Algebra.Com's Answer #731741 by josgarithmetic(39633) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"system%28n%2Bq=20%2Cn%2F20%2Bq%2F4=4%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"n%2B5q=80\"$
\n" ); document.write( " $\"n%2B5%2820-n%29=80\"$
\n" ); document.write( " $\"n%2B100-5n=80\"$
\n" ); document.write( " $\"-4n=80-100\"$
\n" ); document.write( " $\"4n=100-80=20\"$
\n" ); document.write( " $\"highlight%28n=5%29\"$ \n" ); document.write( "

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