document.write( "Question 941084: have 12 coins in my pocket. all of them are either 10c coins or 50c coins. they are worth 2.40. how many 10c coins do i have and how many 50c coins do i have? \n" ); document.write( "
Algebra.Com's Answer #573638 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x the number of 50¢ coins. Then... \n" ); document.write( "... \n" ); document.write( "50x + 10(12-x) = 240¢ (CENTS makes Sense) \n" ); document.write( "x = 120/40 = 3, the number of 50¢ coins. And 9 10¢ coins. \n" ); document.write( "... \n" ); document.write( "And...checking \n" ); document.write( "150 + 90 = 240¢ 0r $2.40 \n" ); document.write( " \n" ); document.write( " |