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
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #576532 by MathLover1(20855)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "i have an equal number of nickels \"0.05x\" and quarters \"0.25x\",\r
\n" ); document.write( "\n" ); document.write( "their total value is $\"2.10\":\r
\n" ); document.write( "\n" ); document.write( " \"0.05x%2B0.25x=2.10\" \r
\n" ); document.write( "\n" ); document.write( " \"0.30x=2.10\"\r
\n" ); document.write( "\n" ); document.write( "\"30x=210\"\r
\n" ); document.write( "\n" ); document.write( "\"x=210%2F30\"\r
\n" ); document.write( "\n" ); document.write( "\"x=7\"..number of nickels and same number of quarters\r
\n" ); document.write( "\n" ); document.write( "i have__\"14\"__ coins\r
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "nickels \"0.05x=0.05%2A7=0.35\" and quarters \"0.25x=0.25%2A7=1.75\"\r
\n" ); document.write( "\n" ); document.write( "\"0.35%2B1.75=2.10\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );