document.write( "Question 945408: i have an equal number of nickels and quarters, and no other coins. their total value is $2.10 i have______ coins
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Algebra.Com's Answer #576534 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = number of nickels
\n" ); document.write( "Let $\"+x+\"$ = number of quarters
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\n" ); document.write( " $\"+5x+%2B+25x+=+210+\"$ ( in cents )
\n" ); document.write( " $\"+30x+=+210+\"$
\n" ); document.write( " $\"+x+=+7+\"$
\n" ); document.write( " $\"+2x+=+14+\"$
\n" ); document.write( "You have 14 coins
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\n" ); document.write( "check:
\n" ); document.write( " $\"+5%2A7+%2B+25%2A7+=+210+\"$
\n" ); document.write( " $\"+35+%2B+175+=+210+\"$
\n" ); document.write( " $\"+210+=+210+\"$
\n" ); document.write( "OK
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