document.write( "Question 435058: Tiffany has 20 coins that are nickels and dimes. The total value of the coins is $1.75. How many nickels and dimes does she have? \n" ); document.write( "
Algebra.Com's Answer #301204 by shree840(260)![]() ![]() You can put this solution on YOUR website! let xbe nickels \n" ); document.write( "20-x are dimes \n" ); document.write( "x*.05+.10(20-x)=1.75 \n" ); document.write( ".05x+2-.1x=1.75 \n" ); document.write( "-.05x=-2+1.75=-.25 \n" ); document.write( "x=.25/.05=5 \n" ); document.write( "5 nickels and 15 dimes ANS \n" ); document.write( " |