please tell me who are intelligent in math please answer this
The arithmetic mean of the numbers 30, x, 38, 84 and 96 is 58, what is the arithmetic mean of 96, 68, 84 130 and x?
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please tell me who are intelligent in math please answer this
The arithmetic mean of the numbers 30, x, 38, 84 and 96 is 58, what is the arithmetic mean of 96, 68, 84 130 and x?
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Answer:
30+x+38+84+96/5=58
248 + x/5 = 58
248 + x = 290
x = 42
Now, 96+68+84+130+x/5
= 96+68+84+130+42/5
= 420/5
= 84