Math word Problem PLEASE Help ME!!?
i am so confused on this problem i have been working on it since thursday!! please if you know it please tell me what you got and how you got it!! thanks!!!
Favorite Answer
the mean of the whole town is 74750, multiplied by 100 to get the total salary of the whole town.. 7475000… we then subtract the salary of the rich guy, which is 5M… we get 2475000..divided by the remaining 99…
the answer is $25000 a year…
You would have the following eqaution to figure out the mean salary:
[(person x wage the person makes)+(person2 x wage of person 2)+(personx x wage of person x)]/100 = 74750
Since five million is such a large number, all the other numbers would have to be relatively small to eqaul a mean wage of 74750.
the equation would simplify to this:
[1x5million + 99x Wage ]/100 = 74750
multiply both sides by 100, equation becomes
5000000 + 99(wage) = 7475000
subtract 5 million from both sides, equation becomes
99(wage) = 2475000
Divide by the number of people in the adult population (99):
wage = 2475000/99 = approximately $24,750
This average wage is far different from the average wage of $74750 because of the $5 million a year adult. See why it is not a fair measure?
99x + 5,000,000 = 74,750(100)
Whether or not the mean is a fair measure depends on what you want to do with the data.
5000000+99x = 7475000
99x=2475000
Solve for x.
5,000,000+99x=7,475,000
99x=2,475,000
x=25,000
The other 99 adults make $25,000 (on average) which is a fair amount.
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