- AIt fills in 24 min
- BIt fills in 12 min
- CIt never fills
- DIt fills in 6 min
Step-by-Step Solution
Net rate : water leaves as fast as it comes in, so the tub never fills.
Answer: C) It never fills
A tap fills a tub in 12 minutes, and the tub's plug-hole, if left open, empties a full tub in 12 minutes. Both are open on the empty tub. What happens?
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