Question

If the mean of x, x +1,x + 3, x +4 and x + 7 is 25, find the value of x.
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Answer 1

Answer:

7

Step-by-step explanation:

x+x+1+x+3+x+4+x+7 / 5 = 25

5x + 15 / 5 = 25

5x + 15 = 25×5 = 50

5x = 50 - 15 = 35

.•. x = 7

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