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syd26 syd26
  • 23-03-2016
  • Mathematics
Answered

last month you swam the 50-meter freestyle in 28.38 seconds. today you swam it in 27.33 seconds. what is your percent of change?

Verified Answer :

Anonymous Anonymous
  • 23-03-2016

The distance is the same(50 meters). So we will operate only with numbers 28.38 and 27.33.
The difference is 28.38-27.33=1.05
So the percent of change is (1.05/28.38)*100%≈3.7% 
The answer is 3.7%

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