document.write( "Question 651010: in Josh's bank, there is $1.17 in pennies, nickles, and dimes. In all there are 25 coins. If there are twice as many nickels as pennies, find how many of each kind there are. I need to create an equation and find out how many of each coin there are. Thanks! \n" ); document.write( "
Algebra.Com's Answer #407535 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! in Josh's bank, there is $1.17 in pennies, nickles, and dimes. In all there are 25 coins. If there are twice as many nickels as pennies, find how many of each kind there are. I need to create an equation and find out how many of each coin there are. \n" ); document.write( "** \n" ); document.write( "let x=number of pennies \n" ); document.write( "2x=number of nickels \n" ); document.write( "25-x-2x=25-3x=number of dimes \n" ); document.write( ".. \n" ); document.write( ".01x+.05*2x+.10(25-3x)=1.17 \n" ); document.write( ".01x+.1x+2.5-.3x=1.17 \n" ); document.write( ".19x=1.33 \n" ); document.write( "x=7 \n" ); document.write( "2x=14 \n" ); document.write( "25-3x=4 \n" ); document.write( "number of pennies=7 \n" ); document.write( "number of nickels=14 \n" ); document.write( "number of dimes=4 \n" ); document.write( " |