If x1,x2,.....xn are n values of a variable X such that ∑ i=0n(x1-2)=110 and ∑i=1n(xi-5)=200 find the value of n and mean.

If x1,x2,.....xn are n values of a variable X such that $\sum_{i = 0}^{n} (x 1 - 2) = 110 a n d \sum_{i = 1}^{n} (x i - 5) = 200$ find the value of n and mean.

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