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.)

Respuesta :

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

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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