document.write( "Question 1205537: Lucas has 37 coins, all nickels and dimes in his piggy bank. The value of the coins is $3.10. How many dimes does Lucas have? \n" ); document.write( "

Algebra.Com's Answer #842406 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "Lucas has 37 coins, all nickels and dimes in his piggy bank.
\n" ); document.write( "The value of the coins is $3.10. How many dimes does Lucas have?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "D dimes;  (37-D) nickels.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Write the total money equation\r\n" );
document.write( "\r\n" );
document.write( "    10*D + 5*(37-D) = 310  cents.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve it and find D\r\n" );
document.write( "\r\n" );
document.write( "    10*D + 5*37 - 5*D = 310\r\n" );
document.write( "\r\n" );
document.write( "    10*D - 5*D = 310 - 5*37\r\n" );
document.write( "\r\n" );
document.write( "        5*D   =     125\r\n" );
document.write( "\r\n" );
document.write( "          D   =     125/5 = 25.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  25 dimes.\r\n" );
document.write( "

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

\n" );