Seudónimo Seudónimo
  • 24-12-2016
  • Mathematics
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Kathleen studied 2/3 of the night's in the month. If the month has 30 days, how many nights did she study?

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Chaarllaaay
Chaarllaaay Chaarllaaay
  • 24-12-2016
two thirds of thirty is twenty.
thirty days in a month so split into three is 10 per third
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Porshia
Porshia Porshia
  • 24-12-2016
This is a proportion problem.
2/3= x/30
Cross multiply and divide
30 x2= 60
60 divided by 3 is 20
Answer is 20


Ps: you could also find the answer by dividing 30 by 3 and that's how you get 1/3 of 3 which is 10. So 2/3 is just 10 + 10= 20
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