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Mathematics, 28.09.2019 08:50 abbyr6180
The mean age of 10 people in a room was 16. when toby walked into the room, the mean age went up to 18.
what is toby's age?
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Answers: 1
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The mean age of 10 people in a room was 16. when toby walked into the room, the mean age went up to...
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