Mathematics, 24.10.2019 03:00, mttttttthhhhhhh551

Agroup of friends is addressing wedding invitations. casey can address 22 envelopes in one hour, anne can address 46 envelopes in two hours, and paula can address 70 envelopes in three hours. about how long will it take them to address 450 envelopes?

a. 19.57 hours
b. 23.00 hours
c. 7.34 hours
d. 6.59 hours

Answers: 1

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Agroup of friends is addressing wedding invitations. casey can address 22 envelopes in one hour, ann...