document.write( "Question 736645: john has twice the number of quarters as dimes. the amount of money in$1.80. find the number of dimes \n" ); document.write( "

Algebra.Com's Answer #852644 by ikleyn(53298) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "john has twice the number of quarters as dimes. the amount of money in$1.80. find the number of dimes
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " This problem is easier to solve mentally than using equation/equations.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "According to the problem, we can group coins in sets, placing two quarters and one dime in each set.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then each set is worth  2*25 + 10 = 50 + 10 = 60 cents,\r\n" );
document.write( "\r\n" );
document.write( "and there are  180/60 = 3 such sets.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Hence, the number of dimes John has is 3.    ANSWER\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" );