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dlinn [17]
3 years ago
12

– Jack can paint a room in 9 hours alone. If Sara helps, they can do the job in 5 hours. How long

Mathematics
1 answer:
Dafna11 [192]3 years ago
8 0

Answer: 9

Step-by-step explanation:

If Jack can paint the room in 9 hours by his self she can only do the same

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