Answered

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a water tap fills a tank within 4 hours, at the bottom of the tank
there is a hole for empty. the tank takes one hour to be empty. If the tap and the hole
are turning on together, the tank is fully filled. how long will the tank take to be completely
empty?
(70 min, 80 min, 90 min, 100 min)

Sagot :

peskychild2308

Answer:

90 mins i think. Sorry if wrong im not sure

Explanation:

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