21NyahMMedina 21NyahMMedina
  • 06-11-2020
  • Mathematics
contestada

Find the rate of change
Marcia can pack 20 envelopes in 60 minutes and 80 envelopes in 4 hours.
(Covert hours to minutes.)

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dlee48 dlee48
  • 06-11-2020
The rate of change is 3

60/30=3

4x60=240 minutes
240/80= 3

So rate of change is 3
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laurenbeasley
laurenbeasley laurenbeasley
  • 06-11-2020
she packs 20 envelopes per hour(60 minutes) i don’t know if this is correct, i’m sorry
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