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

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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Find the rate of change

Marcia can pack 20 envelopes in 60 minutes and 80 envelopes in 4 hours.
(Covert hours to minutes.)

asked
User Rushee
by
8.8k points

2 Answers

4 votes
she packs 20 envelopes per hour(60 minutes) i don’t know if this is correct, i’m sorry
answered
User Charlie Drewitt
by
8.2k points
6 votes
The rate of change is 3

60/30=3

4x60=240 minutes
240/80= 3

So rate of change is 3
answered
User Rich Maes
by
7.8k points
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