document.write( "Question 44053: Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have? \n" ); document.write( "
Algebra.Com's Answer #29035 by fractalier(6550)\"\" \"About 
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Let N be the number of nickels and D be dimes, so that
\n" ); document.write( "N + D = 50
\n" ); document.write( "Their values are 5N and 10D respectively, so that
\n" ); document.write( "5N + 10D = 350
\n" ); document.write( "Now let's multiply the first equation by 5 and subtract it from the second...we get
\n" ); document.write( "5N + 10D = 350
\n" ); document.write( "-(5N + 5D = 250)
\n" ); document.write( "so we have
\n" ); document.write( "5D = 100
\n" ); document.write( "D = 20
\n" ); document.write( "N = 30
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