document.write( "Question 1162226: Sue has $1.60 in dimes and nickels. If she has 7 more dimes than nickels, how many of each coin does she have? \n" ); document.write( "
Algebra.Com's Answer #785968 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! d = no. of dimes \n" ); document.write( "n = no. of nickels \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "Sue has $1.60 in dimes and nickels. \n" ); document.write( ".10d + .05n = 1.60 \n" ); document.write( ": \n" ); document.write( " If she has 7 more dimes than nickels, \n" ); document.write( "d = n + 7 \n" ); document.write( ": \n" ); document.write( "In the first equation replace d with (n+7) \n" ); document.write( ".10(n+7) + .05n = 1.60 \n" ); document.write( "distribute .1 \n" ); document.write( ".10n + .70 + .05n = 1.60 \n" ); document.write( ".15n = 1.60 - .70 \n" ); document.write( ".15n = .90 \n" ); document.write( "n = .90/.15 \n" ); document.write( "n = 6 nickels \n" ); document.write( ": \n" ); document.write( "You can find the no. of dimes. (d = 6 + 7) \n" ); document.write( "Check your solutions in the 1st equation \n" ); document.write( ": \n" ); document.write( "how many of each coin does she have? \n" ); document.write( " |