Roger developed a game for phones that he sold for $5. After the first week he discovered he had 7,920 downloads from girls and 3 times as many boys download the game. Of the boys who downloaded it he

Roger developed a game for phones that he sold for $5. After the first week he discovered he had 7,920 downloads from girls and 3 times as many boys download the game. Of the boys who downloaded it he only had 1/9 who bought the full game. How many boys bought the full game?

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Roger developed a game for phones that he sold for $5. After the first week he discovered he had 7,920 downloads from girls and 3 times as many boys download the game. Of the bo…

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