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Mathematics, 31.03.2021 01:00 jrbskso

Dracula did odd jobs to earn cash, earning these dollar amounts: 15, 15, 14, 12
Dracula wants to earn a mean of $13 by doing one more job. What does he need to earn for the job?

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Dracula did odd jobs to earn cash, earning these dollar amounts: 15, 15, 14, 12
Dracula wants...
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