nimrawaseem07 nimrawaseem07
  • 06-05-2020
  • Mathematics
contestada

David and Mark are marking papers each set takes David 61 minutes and Mark 1 hour express the times David and Mark take as a ratio in its simplest form

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fdioj fdioj
  • 06-05-2020

Answer if its not 65:1 is 30:55

Step-by-step explanation:

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