document.write( "Question 1002940: You were given $0.65 change using only a total of 5 dimes and quarters combined. how many of each coin are there? \n" ); document.write( "
Algebra.Com's Answer #807691 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
Mentally, we see that there are 4 dimes and 1 quarter.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Algebraically,\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "d = number of dimes
\n" ); document.write( "q = number of quarters\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "10d + 25q = 65
\n" ); document.write( "d + q = 5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Multiply the second equation by 10.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "10d + 25q = 65
\n" ); document.write( "-(10d + 10q = 50)
\n" ); document.write( "--------------------
\n" ); document.write( "15q = 15
\n" ); document.write( "q = 1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Like before, we have 4 dimes and 1 quarter.
\n" ); document.write( "
\n" );