Which if the following equations has a solution of - 50?

A. B - (20) = - 30

B. - 2r = 50

C. X/2 = - 25

D. N + (-16) = 65

Solve using standard algorithm 302x8 8 (300+2) (8 x __) + (8 x __)

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What is O. 9% of 1000

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