document.write( "Question 342820: Robert has 39 coins in his pocket. They are all dimes and quarters and total $6.00. How many of each does he have? \n" ); document.write( "
Algebra.Com's Answer #245351 by mananth(16949) You can put this solution on YOUR website! let dimes be x \n" ); document.write( "quarters will be 39-x \n" ); document.write( "value 600 cents \n" ); document.write( ".. \n" ); document.write( "10x+25(39-x)=600 \n" ); document.write( "10x+975-25x=600 \n" ); document.write( "-15x=600-975 \n" ); document.write( "-15x=-375 \n" ); document.write( "x=-375/-15 \n" ); document.write( "x=25 dimes \n" ); document.write( "14 will be quarters. \n" ); document.write( "CHECK \n" ); document.write( "25*14 +25*10= 600 \n" ); document.write( " |