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Mathematics 15 Online
OpenStudy (anonymous):

REEALLY NEED HELP!

OpenStudy (anonymous):

OpenStudy (inkyvoyd):

say low value is x, high value is y. I mean, number of downloads.

OpenStudy (inkyvoyd):

Then, 3x=y

OpenStudy (inkyvoyd):

2.2x+4.9y=4056

OpenStudy (anonymous):

THANKS SO much!!

OpenStudy (inkyvoyd):

No problem :)

OpenStudy (anonymous):

let standard download=x, high quality=y 2.2x+4.9y=4056-----(1) But y was downloaded 3 times as x yesterday, >y=3x then substitute into (1) solving gives x=240 and y=720

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