document.write( "Question 323893: In a collection of coins consisting of only nickels and pennies, the total value is $1.10 and there are twice as many nickels as pennies. How many nickels are in the collection? \n" ); document.write( "
Algebra.Com's Answer #231810 by mananth(16946)\"\" \"About 
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let pennies be x
\n" ); document.write( "nickels = 2x\r
\n" ); document.write( "\n" ); document.write( "x+ 5*2x =110 cents
\n" ); document.write( "x+10x=110
\n" ); document.write( "11x=110
\n" ); document.write( "x= 10 pennies
\n" ); document.write( "nickels = 2x = 20
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