document.write( "Question 945424: A student has some nickels and dimes. He has a total of 71 coins worth $4.95. How many of each coin does he have? \n" ); document.write( "

Algebra.Com's Answer #576591 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"N%2BD=71\"$
\n" ); document.write( " $\"5N%2B10D=495\"$
\n" ); document.write( "From eq. 1,
\n" ); document.write( " $\"5N%2B5D=5%2871%29=355\"$
\n" ); document.write( " $\"5N=355-5D\"$
\n" ); document.write( "Substitute into eq. 2,
\n" ); document.write( " $\"355-5D%2B10D=495\"$
\n" ); document.write( " $\"5D=140\"$
\n" ); document.write( " $\"D=28%7D%7D%0D%0AThen%2C%0D%0A%7B%7B%7BN%2B28=71\"$
\n" ); document.write( " $\"N=43\"$
\n" ); document.write( " \n" ); document.write( "

\n" );