document.write( "Question 342409: Thomas collects dimes and quarters in his change jar. If he has 4 more dimes than quarters, and the total amount of money in the jar is $30.50, find the number of each type of coin in the jar. \n" ); document.write( "
Algebra.Com's Answer #245094 by kcanil08(11)![]() ![]() You can put this solution on YOUR website! no. of dimes=x \n" ); document.write( "no. of quarters = y\r \n" ); document.write( "\n" ); document.write( "from 1st condition, \n" ); document.write( "x*.10+y*.25=30.50\r \n" ); document.write( "\n" ); document.write( "from 2nd condition, \n" ); document.write( "x-4=y\r \n" ); document.write( "\n" ); document.write( "substitution value of y in 1st equation,\r \n" ); document.write( "\n" ); document.write( "x*10+(x-4)*25=30.50 \n" ); document.write( "solving we get \n" ); document.write( "no. of dimes :90 \n" ); document.write( "no.of quater: 86 \n" ); document.write( " |