johnson250 johnson250
  • 17-12-2017
  • Mathematics
contestada

The number n of copies a machine can make varies directly as the number h of hours it operates.it can make 2000 copies in 15 hours how many copies can it make in 21 hours

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jaishacato jaishacato
  • 17-12-2017
25 copies can make it in 21 hours
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