document.write( "Question 1055309: Hello, I have atempted to solve some algebraic problems in word problems. Can anyone help a assist me? A Web music store offers two versions of a popular song. The size of the standard version is 2.1 megabytes (MB). The size of the high-quality version is 4.8MB. Yesterday, there were 1210 downloads of the song, for a total download size of 3540MB. How many downloads of the high-quality version were there?\r
\n" ); document.write( "\n" ); document.write( "3540mb = 2.1mb(x) + 4.8mb(y)
\n" ); document.write( "X + y = 1210
\n" ); document.write( "

Algebra.Com's Answer #670547 by Alan3354(69443)\"\" \"About 
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A Web music store offers two versions of a popular song. The size of the standard version is 2.1 megabytes (MB). The size of the high-quality version is 4.8MB. Yesterday, there were 1210 downloads of the song, for a total download size of 3540MB. How many downloads of the high-quality version were there?
\n" ); document.write( "---------
\n" ); document.write( "x = # of 2.1MB
\n" ); document.write( "y = # of 4.8MB
\n" ); document.write( "---
\n" ); document.write( "3540 = 2.1x + 4.8y
\n" ); document.write( "X + y = 1210 --> y = 1210 - x
\n" ); document.write( "---
\n" ); document.write( "Sub for y in the 1st eqn
\n" ); document.write( "3540 = 2.1x + 4.8*(1210 - x)
\n" ); document.write( "35400 = 21x + 58080 - 48x
\n" ); document.write( "-27x = -22680
\n" ); document.write( "x = 840
\n" ); document.write( "y = 370
\n" ); document.write( "
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