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strojnjashka [21]
3 years ago
7

A Web music store offers two versions of a popular song. The size of the standard version is 2.3 megabytes (MB). The size of the

high-quality version is 4.6 MB. Yesterday, there were 1030 downloads of the song, for a total download size of 4232 MB. How many downloads of the high-quality version were there?
Mathematics
1 answer:
dexar [7]3 years ago
5 0
2.3s + 4.6h = 4232
s + h = 1030
h = 1030 - s

2.3s + 4.6(1030 - s) = 4232
2.3s + 4738 - 4.6s = 4232
4738 - 4232 = 4.6s - 2.3s
506 = 2.3s
s = 220

h = 1030 - s
h = 1030 - 220 = 810

there were 810 downloads of the high-quality version
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