document.write( "Question 234377: A jar of quarters and dimes contains $15.25. their are 103 coins in all. how many of each are their? \n" ); document.write( "
Algebra.Com's Answer #172821 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Q+D=103 OR Q=103-D \n" ); document.write( ".25Q+.10D=15.25 \n" ); document.write( ".25(103-D)+.10D=15.25 \n" ); document.write( "25.75-.25D+.10D=15.25 \n" ); document.write( "-.15D=15.25-25.75 \n" ); document.write( "-.15D=10.50 \n" ); document.write( "D=10.50/.15 \n" ); document.write( "D=70 NUMBER OF DIMES. \n" ); document.write( "103-70=33 NUMBER OF QUARTERS. \n" ); document.write( "PROOF: \n" ); document.write( ".25*33+.10*70=15.25 \n" ); document.write( "8.25+7=15.25 \n" ); document.write( "15.15=15.25 \n" ); document.write( " |