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Stefany333
Answer: it would decrease by 9

Explanation:

Mean of original set: 52

Mean with the number 27: 43

Mean decrease: 52-43=9

Answer:

It would decrease by 9.

Step-by-step explanation:

52 is the original mean or the initial mean.

43 is the final mean.

52-43 = 9

So 9 is the difference.

Hope this helped!