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Dima020 [189]
3 years ago
10

Help plz im so confused

Mathematics
2 answers:
aleksklad [387]3 years ago
5 0
2 hope this helps:) sorry if I’m wrong!
Elenna [48]3 years ago
4 0

Answer:

ab/(ab+3)=9/13

13ab=27+9ab

13ab-9ab=27

4ab=27

ab=27/4

ab=6.75

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