document.write( "Question 882562: A money box contains only 10 and 20 cent coins their are only 19 coins with the total of 3 dollars 10 how many 10 cent coins
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #532931 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 20x + 10(19-x) = 310 (IF 310 cents is what You meant) \n" ); document.write( " 10x = 120 \n" ); document.write( " x = 12, the number of 20 cent coins. Number of 10 cent coins is 7 |