0
Anonymous
4/9 = 20/n
4n = 9(20)
4n = 180
n = 45
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9 over 20 equals 45%
2/9+4/9=6/9, which equals 2/3
It equals 4 over 9. 4/9
4 & 5
(4/9) * (5/9) = 20/81