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Alex17521 [72]
3 years ago
14

Christian can clean the room and 20 minutes by himself and Bob can clean the room and 30 minutes by himself how long would it ta

ke to clean the room if they work together
Mathematics
1 answer:
Vsevolod [243]3 years ago
6 0

Answer:

it would take 10 minutes if they worked together

Step-by-step explanation:

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