ceroy ceroy
  • 15-02-2017
  • Mathematics
contestada

Percent decrease from 28 seconds to 23

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rv112116 rv112116
  • 15-02-2017
.18%
28-23= 5
5 divided by 28= .1785
round to nearest tenth to find your percentage

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Аноним Аноним
  • 15-02-2017
28 - 23 = 5
Then you do 28 divided by 5. The reason why I chose 28 was because it's the original number. You always divide your answer to the original number. So 28 divided by 5. 

So this equals 5.6. So the percentage decrease is 5.6%
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