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Mathematics, 06.10.2019 11:30 hannahgrace325
The mean of seven numbers is 21. five of the numbers are 18, 23, 21, 17, and 19. one of the remaining numbers is 3/4 of the other remaining number. find the two unknown numbers.
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The mean of seven numbers is 21. five of the numbers are 18, 23, 21, 17, and 19. one of the remainin...
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