document.write( "Question 830021: a piggy bank has only nickels and dimes in it. there are 16 coins worth $1.20. how many nickels and dimes are in the bank? \n" ); document.write( "
Algebra.Com's Answer #500295 by Alan3354(69443)\"\" \"About 
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n + d = 16
\n" ); document.write( "5n + 10d = 120
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