Mathematics, 03.11.2022 04:10 mahdy43
a group of 3 numbers has an average of 17. the first two numbers are 12 and 19. what is the third number? a. 17 b. 19 c. 20 d. 23 e. 30
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a group of 3 numbers has an average of 17. the first two numbers are 12 and 19. what is the third nu...
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