document.write( "Question 535010: Paula has twice as many dimes as pennies and three times as many nickels as pennies.She has $1.80 in all. How many coins does she have? \n" ); document.write( "
Algebra.Com's Answer #351729 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=number of pennies \n" ); document.write( "2x=number of dimes \n" ); document.write( "3x=number of nickels\r \n" ); document.write( "\n" ); document.write( "Lets deal in pennies \n" ); document.write( "x+10(2x)+5(3x)=180 \n" ); document.write( "x+20x+15x=180 \n" ); document.write( "36x=180 \n" ); document.write( "x=5------------------------number of pennies \n" ); document.write( "2*5=10------------------------number of dimes \n" ); document.write( "3*5=15-----------------------number of nickels \n" ); document.write( "CK \n" ); document.write( "5+10*10+5*15=180 \n" ); document.write( "5+100+75=`180 \n" ); document.write( "180=180\r \n" ); document.write( "\n" ); document.write( "Hope this helps--ptaylor \n" ); document.write( " |