document.write( "Question 1015071: Walter has $7.55 in quarters and dimes. If he has a total of 47 coins, how many are quarters? \n" ); document.write( "
Algebra.Com's Answer #631416 by crabbyoldgamer(13)\"\" \"About 
You can put this solution on YOUR website!
q + d = 47

\n" ); document.write( ".25q + .1d = 7.55


\n" ); document.write( "q = 47-d

\n" ); document.write( ".25(47-d) + .1d = 7.55

\n" ); document.write( "11.75 - .25d + .1d = 7.55

\n" ); document.write( "4.2 = .15d

\n" ); document.write( "28=d


\n" ); document.write( "q = 47-d = 47-28 = 19
\n" ); document.write( " \n" ); document.write( "

\n" );