The mean of 18, 24, 15, 2x +1 and 12 is 25. Find the value of x.
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1
Answer:
27.5
Step-by-step explanation:
18 + 24 + 15 + 2x+1 + 12 / 5. = 25
70 + 2x = 125
2x = 55
x = 27.5
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