teller
  • teller
A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the high-quality version is 4.6 MB. Yesterday, the high-quality version was downloaded twice as often as the standard version. The total size downloaded for the two versions was 2499 MB. How many downloads of the standard version were there? @Vocaloid
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
well, this is a very similar problem to the other one, so let's start off the same way. H = number of high-quality downloads S = number of standard-quality downloads H = 2*S 2.7*S + 4.6*H = 2499 do you think you can finish from here? if you get stuck, remember the other problem that we just did
teller
  • teller
I don't have the other problem since it got rid of it so do I take 2.7(3-S)+4.6=2499?
Vocaloid
  • Vocaloid
I'm not sure where you're getting 3 from

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teller
  • teller
i mean 2 sorry
Vocaloid
  • Vocaloid
remember, H = 2*S means that you can replace "H" with "2S" whenever you see it
Vocaloid
  • Vocaloid
take another look if you are still confused http://openstudy.com/study#/updates/55d52a97e4b0554d6272fa4c
teller
  • teller
so2.7s+4.6(2-s)=2499?
Vocaloid
  • Vocaloid
almost, there shouldn't be a minus sign... 2.7S + 4.6(2*S) = 2499, agreed?
teller
  • teller
alright so if im correct i'd take 4.6 and times it by 2?
Vocaloid
  • Vocaloid
right, and that gives us...?
teller
  • teller
9.2?
Vocaloid
  • Vocaloid
don't forget the S 4.2(2*S) = 9.2S
Vocaloid
  • Vocaloid
so that leaves us with 2.7*S + 9.2*S = 2499 can you try solving for S now?
teller
  • teller
would it be 210?
Vocaloid
  • Vocaloid
yup, so that's our answer
teller
  • teller
thank you
Vocaloid
  • Vocaloid
S = number of standard downloads = 210

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