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09-01-2018
Mathematics

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I am an odd number. When I am tripled, I am one more than 20. Which number sentence identifies the odd number, n?

A: 3 * n - 1 = 20
B: 2 * n - 20 = 1
C: 3 * n + 20 = 1
D: 3 * n + 1 = 20

Respuesta :

09-01-2018

Is A. Because 3n= 20+1

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