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Mathematics, 03.11.2020 01:50 ashrobbb
Maria has a 30-minute work break. During the break, she'll walk 3 minutes to another floor, say hello to 4 different friends spending equal time with each, and walk back for 3 minutes. How long can she spend with each friend?
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Maria has a 30-minute work break. During the break, she'll walk 3 minutes to another floor, say hell...
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