document.write( "Question 557121: In a pile of nickles and dimes, the number of nickles is three rimes the number of dimes and the pile is worth $1.75. How many nickles are there? \n" ); document.write( "
Algebra.Com's Answer #362451 by stanbon(75887)\"\" \"About 
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In a pile of nickles and dimes, the number of nickles is three rimes the number of dimes and the pile is worth $1.75. How many nickles are there?
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\n" ); document.write( "Equations:
\n" ); document.write( "Quantity: n = 3d
\n" ); document.write( "Value: 5n + 10d = 175 cents
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\n" ); document.write( "Substitute for \"n\" and solve for \"d\":
\n" ); document.write( "5(3d) + 10d = 175
\n" ); document.write( "25d = 175
\n" ); document.write( "d = 7 (# of dimes)
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\n" ); document.write( "# of nickels = 3d = 21
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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