document.write( "Question 879243: The total value of a collection of dimes and nickels is $2.70. If the total number of coins is 39, how many of each type of coin are there?\r
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\n" ); document.write( " Number of nickels:
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Algebra.Com's Answer #530628 by ewatrrr(24785)\"\" \"About 
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The total value of a collection of dimes and nickels is $2.70.
\n" ); document.write( "If the total number of coins is 39, how many of each type of coin are there?
\n" ); document.write( " Number of dimes: x
\n" ); document.write( " Number of nickels: (39-x)
\n" ); document.write( " 10x + 5(39-x) = 270 (cents makes sense)
\n" ); document.write( " 5x = 75
\n" ); document.write( " x = 15, the number of dimes. 24 Nickels
\n" ); document.write( "checking
\n" ); document.write( " \"10%2A15+%2B+5%2A24\" = 270cents or $2.70
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