document.write( "Question 1067703: In a piggy bank,there are 24 more dimes than quarters. The value of the dimes equals the value of the quarters. How many quarters are in the piggy bank? \n" ); document.write( "
Algebra.Com's Answer #682809 by ikleyn(52814)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "The condition gives you these two equations:\r\n" ); document.write( "\r\n" ); document.write( "d - q = 24, (1)\r\n" ); document.write( "10d = 25q (2)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Cancel equation (2) by the factor 5 (both sides. You will get\r\n" ); document.write( "\r\n" ); document.write( "2d = 5q (3) \r\n" ); document.write( "\r\n" ); document.write( "instead of (2).\r\n" ); document.write( "\r\n" ); document.write( "Now express d = 24 + q from (1) and substitute it into (3), replacing d. You will get\r\n" ); document.write( "\r\n" ); document.write( "2(24+q) = 5q ---> 48 + 2q = 5q ---> 3q = 48 ---> q =\r \n" ); document.write( "\n" ); document.write( "There is entire bunch of lessons on coin problems\r \n" ); document.write( "\n" ); document.write( " - Coin problems\r \n" ); document.write( "\n" ); document.write( " - More Coin problems\r \n" ); document.write( "\n" ); document.write( " - Solving coin problems without using equations\r \n" ); document.write( "\n" ); document.write( " - Kevin and Randy Muise have a jar containing coins\r \n" ); document.write( "\n" ); document.write( " - Typical coin problems from the archive\r \n" ); document.write( "\n" ); document.write( " - More complicated coin problems\r \n" ); document.write( "\n" ); document.write( " - Solving coin problems mentally by grouping without using equations\r \n" ); document.write( "\n" ); document.write( " - Santa Claus helps solving coin problem\r \n" ); document.write( "\n" ); document.write( " - OVERVIEW of lessons on coin word problems\r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution of coin problems.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Coin problems\".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |