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A Web music store offers two versions of a popular song. The size of the standard version is 2.9 megabytes (MB). The size of the high-quality version is 4.7 MB. Yesterday, the high-quality version was downloaded four times as often as the standard version. The total size downloaded for the two versions was 6076 MB. How many downloads of the standard version were there?

Answer :

baabaagreysheep
Let x be the amount of downloads the standard version got, we can then write the downloads for the high quality version as 4x. Then we can make the equation:
x + 4x = 6076
Now we can solve it
x + 4x = 6076
5x = 6076
÷ 5
x = 1215.2
So the standard version was downloaded 1215 times, hope this helps!

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