A Web music store offers two versions of a popular song. The size of the standard version is 2.6 megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, the high-quality version was downloaded three times as often as the standard version. The total size downloaded for the two versions was 4025 MB. How many downloads of the standard version were there?

ANY takers?

Answer :

Just find the space it would take for three downloads of the high quality version and one download of the standard version.

2.6 + 4.5 * 3 = 16.1

And now just divide 4025 by 16.1 to find how many of those portions are inside of 4025.

4025 / 16.1 = 250

And since it's asking how many downloads of the standard version there was, it would be 250.

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