A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
- 50 units
- 60 units
- 70 units
- 80 units
Answer: None
Explanation:
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
Answer: None
Explanation:
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