YbnNahmir
YbnNahmir YbnNahmir
  • 03-12-2017
  • Mathematics
contestada

carl solved 20 math problems in 55 minutes how many math problems will carl solve in 75mins

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astroprincess331
astroprincess331 astroprincess331
  • 03-12-2017
You need to find out how many problems Carl can do in a minute (unit rate), which is 20/55 or .36363636363. If you multiply it by 75 mins, you get 27.27, so the answer would be 27. 
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hossan1
hossan1 hossan1
  • 03-12-2017
206.25
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