Answers

2014-07-18T09:38:05+08:00
It takes 1 minute  to fill 2/10 of 5 liters of water or simply 1/5 of 5 liters = 1 liter. Therefore, it takes 1 minute fill up 1 liter of water. Since it takes a minute to fill 1 liter of water, it takes 5 minutes to fill up 5 liters of water
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