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likoan [24]
2 years ago
6

Please help . I’ll mark you as brainliest if correct!

Mathematics
1 answer:
Alenkinab [10]2 years ago
7 0

Answer:  9/4 hours or 2.25 hours

Step-by-step explanation:

Sally paints 1/9 an hour and Steve paints 1/3 an hour both of them adding is 4/9 and 4/9 times 9/4=1 so it is 2.25 hours

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