document.write( "Question 1054572: Joe has an equal number of nickles and dimes. If he has $1.05 in all, how many coins of each type does he have? \n" ); document.write( "
Algebra.Com's Answer #669776 by addingup(3677) You can put this solution on YOUR website! n = d \n" ); document.write( "0.05n+0.10d = 1.05 substitute for n \n" ); document.write( "0.05(d)+0.10d = 1.05 \n" ); document.write( "0.05d+0.10d = 1.05 \n" ); document.write( "0.15d = 1.05 \n" ); document.write( "d = 7 he has 7 dimes, and since he has an equal number of nickels, he has 7 nickels \n" ); document.write( "----------------------------- \n" ); document.write( "Check: \n" ); document.write( "7*0.10 = 0.70 \n" ); document.write( "7*0.05 = 0.35 \n" ); document.write( "Total . . 1.05 Correct \n" ); document.write( ": \n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " |