document.write( "Question 1002508: Celine had 140 coins consisting of nickles and pennies. The coins combined value comes to $4.20.Find out how many of each coin Celine has. \n" ); document.write( "
Algebra.Com's Answer #619379 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x=pennies \n" ); document.write( "140-x=nickels \n" ); document.write( "0.01x+(0.05)(140-x)=4.20 \n" ); document.write( "multiply both sides by 100 \n" ); document.write( "x+700-5x=4.20 \n" ); document.write( "-4x=-280 \n" ); document.write( "x=70 \n" ); document.write( "140-x=70 \n" ); document.write( "There are 70 of each \n" ); document.write( "70 nickels are $3.50 \n" ); document.write( "70 pennies are $0.70 \n" ); document.write( "$4.20 \n" ); document.write( " |