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)     You can put this solution on YOUR website! 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 \n" ); document.write( " |