document.write( "Question 346431: if there is 46 coins that equals $5.60, how many quarters and nickels are there in each using only those two coins \n" ); document.write( "
Algebra.Com's Answer #247715 by checkley77(12844) ![]() You can put this solution on YOUR website! Q+N=46 OR N=46-Q \n" ); document.write( ".25Q+.05N=5.60 \n" ); document.write( ".25Q+.05(46-Q)=5.60 \n" ); document.write( ".25Q+2.30-.05Q=5.60 \n" ); document.write( ".20Q=5.60-2.30 \n" ); document.write( ".20Q=3.30 \n" ); document.write( "Q=3.3O/.20 \n" ); document.write( "Q=16.5 ANS. FOR THE NUMBER OF QUARTERS \n" ); document.write( "N=46-16.5=29.5 ANS. FOR THE NUMBER OF NICKELS. \n" ); document.write( "PROOF: \n" ); document.write( ".25*16.5+.05*29,5=5.60 \n" ); document.write( "4.125+1.475=5.60 \n" ); document.write( "************************************ \n" ); document.write( "NOT A VALID COIN PROBLEM. \n" ); document.write( " |