document.write( "Question 118808: a vending machine takes only nickels and dimes.there are 5 times as many dimes as nickels in the machine.the face value of the coins is $4.40.how many of each coin are in the machine? \n" ); document.write( "
Algebra.Com's Answer #86956 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! LET X=THE NUMBER OF NICKELS & 5X EQUAL THE NUMBER OF DIMES. \n" ); document.write( ".05X+.10*5X=4.40 \n" ); document.write( ".05X+.50X=4.40 \n" ); document.write( ".55X=4.40 \n" ); document.write( "X=4.40/.55 \n" ); document.write( "X=8 IS THE NUMBER OF NICKELS. \n" ); document.write( "5*8=40 IS THE NUMBER OF DIMES. \n" ); document.write( "PROOF. \n" ); document.write( ".05*8+.10*5*8=4.40 \n" ); document.write( ".40+4=4.40 \n" ); document.write( "4.40=4.40 \n" ); document.write( " |