document.write( "Question 1063865: Mary has 30 nickels and dimes totaling $2.40. How many of each does she have \n" ); document.write( "
Algebra.Com's Answer #678946 by Alan3354(69443)\"\" \"About 
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Mary has 30 nickels and dimes totaling $2.40. How many of each does she have
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\n" ); document.write( "n + d = 30 --------- # of coins
\n" ); document.write( "5n + 10d = 240 --------Value of coins
\n" ); document.write( "--> n + 2d = 48 ---------- 2nd eqn divided by 5
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\n" ); document.write( "\n" ); document.write( "n + d = 30 --------- # of coins
\n" ); document.write( "n + 2d = 48
\n" ); document.write( "------------ Subtract
\n" ); document.write( "-d = -18
\n" ); document.write( "--> 18 dimes
\n" ); document.write( "12 nickels
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\n" ); document.write( "Was that hard?\r
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