document.write( "Question 24666: I have problems with word problem so if you don't mind will you help me with a couple?\r
\n" ); document.write( "\n" ); document.write( "Megan has 7 more dimes than nickels. She has a total of $1.60. How many of each coin does she have?
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Algebra.Com's Answer #13150 by quentin252(19)\"\" \"About 
You can put this solution on YOUR website!
ok,
\n" ); document.write( "number of dimes = d
\n" ); document.write( "number of nickels = n
\n" ); document.write( "so
\n" ); document.write( "Megan has 7 more dimes than nickels
\n" ); document.write( "-->> d = n + 7
\n" ); document.write( "Megan has a total of $1.60
\n" ); document.write( "-->> (.10)d + (.05)n = $1.60
\n" ); document.write( "pluggin 'n+7' in for 'd'
\n" ); document.write( "-->> (.10)(n+7) + (.05)n = 1.60
\n" ); document.write( "-->> .10n + .70 + .05n = 1.60
\n" ); document.write( "-->> .15n + .70 = 1.60
\n" ); document.write( "-->> .15n = .90
\n" ); document.write( "-->> n = 6
\n" ); document.write( "-->> d=n+7=13
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