sambartlett07 sambartlett07
  • 17-01-2023
  • Mathematics
contestada

Sam and two friends put letters in envelopes on Monday.
The three of them take two hours to put 600 letters in envelopes.

Working at the same rate, how much longer would it take four people to put 1000 letters in envelopes than it would take five people?

(4 marks)

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