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AB/BC=DE/EF
3/4=5/EF
EF= 20/3
DF= 20/3+5
35/3
IMO E

Bunuel

In the figure, lines \(\ell 1\), \(\ ell 2\), and \(\ell 3\) are parallel to one another. Line-segments AC and DF cut the three lines. If AB = 3, BC = 4, and DE = 5, then which one of the following equals DF ?

(A) \(\frac{3}{30}\)

(B) \(\frac{15}{7}\)

(C) \(\frac{20}{3}\)

(D) \(6\)

(E) \(\frac{35}{3}\)

Attachment:
#GREpracticequestion In the figure, lines l1, l2, and l3 are parallel to one another.jpg
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