Answered

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 4.8 MB. Yesterday, the high-quality version was downloaded twice as often as the standard version. The total size downloaded for the two versions was 2808 MB. How many downloads of the standard version were there?

Answer :

texaschic101
2.1S + 4.8H = 2808
H = 2S

2.1S + 4.8(2S) = 2808
2.1S + 9.6S = 2808
11.7S = 2808
S = 2808/11.7
S = 240

H = 2S
H = 2(240)
H = 480

so the standard version (S) has 240 downloads and the high quality version (H) has 480 downloads

Answer:

2.1S + 4.8H = 2808

H = 2S

2.1S + 4.8(2S) = 2808

2.1S + 9.6S = 2808

11.7S = 2808

S = 2808/11.7

S = 240

H = 2S

H = 2(240)

H = 480

so the standard version (S) has 240 downloads and the high quality version (H) has 480 downloads

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