Mathematics, 19.08.2021 21:00 texas101st78

A group of friends is addressing wedding invitations. Casey can address 22 envelopes in one hour, Anne can address 48 envelopes in two hours, and Paula can address 62 envelopes in three hours. About how long will it take them to address 420 envelopes? A.
19.09 hours
B.
22.00 hours
C.
7.24 hours
D.
6.30 hours

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A group of friends is addressing wedding invitations. Casey can address 22 envelopes in one hour, An...

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