document.write( "Question 291903: I purchased a total of 8 music mp3 and movies from iTunes this month. The total purchase price of the movies and music mp3 is $34.92. If I each movie cost 9.99 and each music file cost $0.99, then how many music files and how many movies did I purchase? Please use either the addition (elimination) or substitution method to solve this problem. \n" ); document.write( "
Algebra.Com's Answer #210975 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! mp3=u \n" ); document.write( "movie =o \n" ); document.write( "u+o=8 \n" ); document.write( "99*u+999*o=3492 \n" ); document.write( "o=3 u=5 \n" ); document.write( " \n" ); document.write( " |