- A30
- B62.5
- C25
- D35
Step-by-Step Solution
Combined rate = 1/50 + 1/75 = 3/150 + 2/150 = 5/150 = 1/30 per minute, so 30 minutes.
Answer: A) 30
Two hoses fill a swimming pool in 50 minutes and 75 minutes respectively. If both run together, how long will the pool take to fill (in minutes)?
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