document.write( "Question 228778: Moolah has 27 coins that are all dimes and quarters. The value of the coins is $4.35. How many dimes and how many quarters does Moolah have? \n" ); document.write( "
Algebra.Com's Answer #169756 by checkley77(12844) ![]() You can put this solution on YOUR website! D+Q=27 MULTIPLY BY -.10 & ADD. \n" ); document.write( ".10D+.25Q=4.35 \n" ); document.write( "-.10D-.10Q=-2.7 \n" ); document.write( "--------------------- \n" ); document.write( ".15Q=1.65 \n" ); document.write( "Q=1.65/.15 \n" ); document.write( "Q=11 QUARTERS. \n" ); document.write( "D+11=27 \n" ); document.write( "D=27-11 \n" ); document.write( "D=16 DIMES. \n" ); document.write( "PROOF: \n" ); document.write( ".10*16+.25*11=4.35 \n" ); document.write( "1.60+2.75=4.35 \n" ); document.write( "4.35=4.35 \n" ); document.write( " \n" ); document.write( " |