I believe the answer is c I'm not the best at math o someone pl correct me if I'm rong.
Answer:
I think it is D!
Explanation:
For A: x2 is not equal to +2. Basically, their ratio is different
For B: You're trying to get to 60, not 45.
For C: Same thing as A: +7.5 is not equal to x 2.
Therefore, D is correct :D
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