Answers

2015-11-24T18:47:40+08:00
50% because one hour is equivalent to 60 minutes and 30 minutes is half of an hours so 50%.
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2015-11-24T19:10:07+08:00
50% percent.... because 60 mins = 1 hr.. & 60 mins÷ 30 mins= 20 mins


20 mins = 50%
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