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Mathematics, 05.05.2021 05:00 keke830
Nicholas and Marilyn are addressing invitations to the junior class picnic.
Nicholas can address one every 30 s and Marilyn can do one every 40 s.
How long will it take them to address 140 invitations?
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Answers: 2
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Nicholas and Marilyn are addressing invitations to the junior class picnic.
Nicholas can address o...
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