Asked by Anonymous
Will and John each have an mp3 player. The ratio of Will's songs to John's songs was 9:4. When Will accidentally erased 77 songs from his mp3 player, John had twice as many songs as his friend. How many songs did Will have at first?
Answers
Answered by
oobleck
w/j = 9/4
2(w-77) = j
so
2(w-77) = 4/9 w
solve for w
2(w-77) = j
so
2(w-77) = 4/9 w
solve for w
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