document.write( "Question 972980: Nick has $7.70 in quarters and dimes, and the total number of coins is 38. How many quarters and how many dimes? \n" ); document.write( "
Algebra.Com's Answer #595254 by Boreal(15235) You can put this solution on YOUR website! x=quarters \n" ); document.write( "38-x= dimes\r \n" ); document.write( "\n" ); document.write( ".25x + .10 *(38-x)=7.70 all units dollars and cents.\r \n" ); document.write( "\n" ); document.write( ".25x + 3.80-.10x=7.70\r \n" ); document.write( "\n" ); document.write( ".15 x =3.90 \n" ); document.write( "15 x=390\r \n" ); document.write( "\n" ); document.write( "x=26 \n" ); document.write( "38-x =12\r \n" ); document.write( "\n" ); document.write( "26 quarters ($6.50) \n" ); document.write( "12 dimes ($1.20)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |