Mathematics, 31.05.2020 08:58 Jayla1029

A group of friends is addressing wedding invitations. Casey can address 20 envelopes in one hour, Anne can address 44 envelopes in two hours, and Paula can address 68 envelopes in three hours. About how long will it take them to address 400 envelopes?

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A group of friends is addressing wedding invitations. Casey can address 20 envelopes in one hour, An...