Step-by-step explanation:
Percentages are over 100.
<u>Multiply 63/50 by 2:</u>
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Your answer is 126%.
150 because if you take 180 and subtract 30 u get 150
-21 + 3n = -18 + 2 -6 = -22 . I believe this is right. I hope I made sense, and just pls correct me if I’m wrong!